Home / 31,387.30-47,040.88-14,710.59

Finding the Fourth Proportional to 31,387.30, 47,040.88 and 14,710.59

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Solution

The fourth proportional to 31,387.30, 47,040.88 and 14,710.59 is: 22,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,387.30 : 47,040.88 = 14,710.59 : x
  2. Step 2: Convert to fraction form
    31,387.30/47,040.88 = 14,710.59/x
  3. Step 3: Cross multiply
    31,387.30x = 47,040.88 × 14,710.59
  4. Step 4: Simplify right side
    31,387.30x = 691,998,916.05
  5. Step 5: Solve for x
    x = 691,998,916.05/31,387.30
  6. Step 6: Final answer
    x = 22,047.10

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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.