Home / 39,313.76-54,254.20-22,546.76

Finding the Fourth Proportional to 39,313.76, 54,254.20 and 22,546.76

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Solution

The fourth proportional to 39,313.76, 54,254.20 and 22,546.76 is: 31,115.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,313.76 : 54,254.20 = 22,546.76 : x
  2. Step 2: Convert to fraction form
    39,313.76/54,254.20 = 22,546.76/x
  3. Step 3: Cross multiply
    39,313.76x = 54,254.20 × 22,546.76
  4. Step 4: Simplify right side
    39,313.76x = 1,223,256,426.39
  5. Step 5: Solve for x
    x = 1,223,256,426.39/39,313.76
  6. Step 6: Final answer
    x = 31,115.22

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Half scale
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Double scale
Find fourth proportional to 39,314.76, 54,255.58 and 22,547.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.