Home / 31,437.07-47,154.92-14,787.88

Finding the Fourth Proportional to 31,437.07, 47,154.92 and 14,787.88

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Solution

The fourth proportional to 31,437.07, 47,154.92 and 14,787.88 is: 22,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437.07 : 47,154.92 = 14,787.88 : x
  2. Step 2: Convert to fraction form
    31,437.07/47,154.92 = 14,787.88/x
  3. Step 3: Cross multiply
    31,437.07x = 47,154.92 × 14,787.88
  4. Step 4: Simplify right side
    31,437.07x = 697,321,217.45
  5. Step 5: Solve for x
    x = 697,321,217.45/31,437.07
  6. Step 6: Final answer
    x = 22,181.50

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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.