Home / 31,354.64-47,038.02-9,168.12

Finding the Fourth Proportional to 31,354.64, 47,038.02 and 9,168.12

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Solution

The fourth proportional to 31,354.64, 47,038.02 and 9,168.12 is: 13,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,354.64 : 47,038.02 = 9,168.12 : x
  2. Step 2: Convert to fraction form
    31,354.64/47,038.02 = 9,168.12/x
  3. Step 3: Cross multiply
    31,354.64x = 47,038.02 × 9,168.12
  4. Step 4: Simplify right side
    31,354.64x = 431,250,211.92
  5. Step 5: Solve for x
    x = 431,250,211.92/31,354.64
  6. Step 6: Final answer
    x = 13,753.95

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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.