Home / 38,247.80-52,781.62-21,252.08

Finding the Fourth Proportional to 38,247.80, 52,781.62 and 21,252.08

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Solution

The fourth proportional to 38,247.80, 52,781.62 and 21,252.08 is: 29,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247.80 : 52,781.62 = 21,252.08 : x
  2. Step 2: Convert to fraction form
    38,247.80/52,781.62 = 21,252.08/x
  3. Step 3: Cross multiply
    38,247.80x = 52,781.62 × 21,252.08
  4. Step 4: Simplify right side
    38,247.80x = 1,121,719,210.77
  5. Step 5: Solve for x
    x = 1,121,719,210.77/38,247.80
  6. Step 6: Final answer
    x = 29,327.68

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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.