Home / 62,710.77-86,581.40-38,862.75

Finding the Fourth Proportional to 62,710.77, 86,581.40 and 38,862.75

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Solution

The fourth proportional to 62,710.77, 86,581.40 and 38,862.75 is: 53,655.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,710.77 : 86,581.40 = 38,862.75 : x
  2. Step 2: Convert to fraction form
    62,710.77/86,581.40 = 38,862.75/x
  3. Step 3: Cross multiply
    62,710.77x = 86,581.40 × 38,862.75
  4. Step 4: Simplify right side
    62,710.77x = 3,364,791,108.54
  5. Step 5: Solve for x
    x = 3,364,791,108.54/62,710.77
  6. Step 6: Final answer
    x = 53,655.71

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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.