Home / 48,008.16-71,992.98-19,909.12

Finding the Fourth Proportional to 48,008.16, 71,992.98 and 19,909.12

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Solution

The fourth proportional to 48,008.16, 71,992.98 and 19,909.12 is: 29,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,008.16 : 71,992.98 = 19,909.12 : x
  2. Step 2: Convert to fraction form
    48,008.16/71,992.98 = 19,909.12/x
  3. Step 3: Cross multiply
    48,008.16x = 71,992.98 × 19,909.12
  4. Step 4: Simplify right side
    48,008.16x = 1,433,316,967.97
  5. Step 5: Solve for x
    x = 1,433,316,967.97/48,008.16
  6. Step 6: Final answer
    x = 29,855.70

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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.