Home / 31,613.02-47,432.28-14,070.85

Finding the Fourth Proportional to 31,613.02, 47,432.28 and 14,070.85

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Solution

The fourth proportional to 31,613.02, 47,432.28 and 14,070.85 is: 21,111.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,613.02 : 47,432.28 = 14,070.85 : x
  2. Step 2: Convert to fraction form
    31,613.02/47,432.28 = 14,070.85/x
  3. Step 3: Cross multiply
    31,613.02x = 47,432.28 × 14,070.85
  4. Step 4: Simplify right side
    31,613.02x = 667,412,497.04
  5. Step 5: Solve for x
    x = 667,412,497.04/31,613.02
  6. Step 6: Final answer
    x = 21,111.95

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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.