Home / 62,002.12-85,571.22-39,710.92

Finding the Fourth Proportional to 62,002.12, 85,571.22 and 39,710.92

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Solution

The fourth proportional to 62,002.12, 85,571.22 and 39,710.92 is: 54,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,002.12 : 85,571.22 = 39,710.92 : x
  2. Step 2: Convert to fraction form
    62,002.12/85,571.22 = 39,710.92/x
  3. Step 3: Cross multiply
    62,002.12x = 85,571.22 × 39,710.92
  4. Step 4: Simplify right side
    62,002.12x = 3,398,111,871.72
  5. Step 5: Solve for x
    x = 3,398,111,871.72/62,002.12
  6. Step 6: Final answer
    x = 54,806.38

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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.