Home / 48,008.90-72,013.35-12,948.55

Finding the Fourth Proportional to 48,008.90, 72,013.35 and 12,948.55

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Solution

The fourth proportional to 48,008.90, 72,013.35 and 12,948.55 is: 19,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,008.90 : 72,013.35 = 12,948.55 : x
  2. Step 2: Convert to fraction form
    48,008.90/72,013.35 = 12,948.55/x
  3. Step 3: Cross multiply
    48,008.90x = 72,013.35 × 12,948.55
  4. Step 4: Simplify right side
    48,008.90x = 932,468,463.14
  5. Step 5: Solve for x
    x = 932,468,463.14/48,008.90
  6. Step 6: Final answer
    x = 19,422.83

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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.