Home / 55,824.76-77,038.14-30,674.24

Finding the Fourth Proportional to 55,824.76, 77,038.14 and 30,674.24

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Solution

The fourth proportional to 55,824.76, 77,038.14 and 30,674.24 is: 42,330.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,824.76 : 77,038.14 = 30,674.24 : x
  2. Step 2: Convert to fraction form
    55,824.76/77,038.14 = 30,674.24/x
  3. Step 3: Cross multiply
    55,824.76x = 77,038.14 × 30,674.24
  4. Step 4: Simplify right side
    55,824.76x = 2,363,086,395.51
  5. Step 5: Solve for x
    x = 2,363,086,395.51/55,824.76
  6. Step 6: Final answer
    x = 42,330.44

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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.