Home / 36,008.08-49,690.12-20,899.88

Finding the Fourth Proportional to 36,008.08, 49,690.12 and 20,899.88

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Solution

The fourth proportional to 36,008.08, 49,690.12 and 20,899.88 is: 28,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,008.08 : 49,690.12 = 20,899.88 : x
  2. Step 2: Convert to fraction form
    36,008.08/49,690.12 = 20,899.88/x
  3. Step 3: Cross multiply
    36,008.08x = 49,690.12 × 20,899.88
  4. Step 4: Simplify right side
    36,008.08x = 1,038,517,545.19
  5. Step 5: Solve for x
    x = 1,038,517,545.19/36,008.08
  6. Step 6: Final answer
    x = 28,841.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.