Home / 42,215.85-58,255.47-23,351.76

Finding the Fourth Proportional to 42,215.85, 58,255.47 and 23,351.76

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Solution

The fourth proportional to 42,215.85, 58,255.47 and 23,351.76 is: 32,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,215.85 : 58,255.47 = 23,351.76 : x
  2. Step 2: Convert to fraction form
    42,215.85/58,255.47 = 23,351.76/x
  3. Step 3: Cross multiply
    42,215.85x = 58,255.47 × 23,351.76
  4. Step 4: Simplify right side
    42,215.85x = 1,360,367,754.13
  5. Step 5: Solve for x
    x = 1,360,367,754.13/42,215.85
  6. Step 6: Final answer
    x = 32,224.10

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Double scale
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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.