Home / 31,432.04-47,153.52-12,711.32

Finding the Fourth Proportional to 31,432.04, 47,153.52 and 12,711.32

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Solution

The fourth proportional to 31,432.04, 47,153.52 and 12,711.32 is: 19,069.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432.04 : 47,153.52 = 12,711.32 : x
  2. Step 2: Convert to fraction form
    31,432.04/47,153.52 = 12,711.32/x
  3. Step 3: Cross multiply
    31,432.04x = 47,153.52 × 12,711.32
  4. Step 4: Simplify right side
    31,432.04x = 599,383,481.85
  5. Step 5: Solve for x
    x = 599,383,481.85/31,432.04
  6. Step 6: Final answer
    x = 19,069.19

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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.