Home / 39,372.86-59,059.52-9,790.70

Finding the Fourth Proportional to 39,372.86, 59,059.52 and 9,790.70

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Solution

The fourth proportional to 39,372.86, 59,059.52 and 9,790.70 is: 14,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,372.86 : 59,059.52 = 9,790.70 : x
  2. Step 2: Convert to fraction form
    39,372.86/59,059.52 = 9,790.70/x
  3. Step 3: Cross multiply
    39,372.86x = 59,059.52 × 9,790.70
  4. Step 4: Simplify right side
    39,372.86x = 578,234,042.46
  5. Step 5: Solve for x
    x = 578,234,042.46/39,372.86
  6. Step 6: Final answer
    x = 14,686.11

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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.