Home / 39,610.29-59,417.21-12,957.79

Finding the Fourth Proportional to 39,610.29, 59,417.21 and 12,957.79

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Solution

The fourth proportional to 39,610.29, 59,417.21 and 12,957.79 is: 19,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,610.29 : 59,417.21 = 12,957.79 : x
  2. Step 2: Convert to fraction form
    39,610.29/59,417.21 = 12,957.79/x
  3. Step 3: Cross multiply
    39,610.29x = 59,417.21 × 12,957.79
  4. Step 4: Simplify right side
    39,610.29x = 769,915,729.57
  5. Step 5: Solve for x
    x = 769,915,729.57/39,610.29
  6. Step 6: Final answer
    x = 19,437.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.