Home / 39,966.40-59,920.80-26,123.20

Finding the Fourth Proportional to 39,966.40, 59,920.80 and 26,123.20

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Solution

The fourth proportional to 39,966.40, 59,920.80 and 26,123.20 is: 39,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,966.40 : 59,920.80 = 26,123.20 : x
  2. Step 2: Convert to fraction form
    39,966.40/59,920.80 = 26,123.20/x
  3. Step 3: Cross multiply
    39,966.40x = 59,920.80 × 26,123.20
  4. Step 4: Simplify right side
    39,966.40x = 1,565,323,042.56
  5. Step 5: Solve for x
    x = 1,565,323,042.56/39,966.40
  6. Step 6: Final answer
    x = 39,165.98

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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.