Home / 39,411.34-59,125.92-13,117.12

Finding the Fourth Proportional to 39,411.34, 59,125.92 and 13,117.12

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Solution

The fourth proportional to 39,411.34, 59,125.92 and 13,117.12 is: 19,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,411.34 : 59,125.92 = 13,117.12 : x
  2. Step 2: Convert to fraction form
    39,411.34/59,125.92 = 13,117.12/x
  3. Step 3: Cross multiply
    39,411.34x = 59,125.92 × 13,117.12
  4. Step 4: Simplify right side
    39,411.34x = 775,561,787.75
  5. Step 5: Solve for x
    x = 775,561,787.75/39,411.34
  6. Step 6: Final answer
    x = 19,678.65

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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.