Home / 38,397.24-52,991.34-21,631.80

Finding the Fourth Proportional to 38,397.24, 52,991.34 and 21,631.80

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Solution

The fourth proportional to 38,397.24, 52,991.34 and 21,631.80 is: 29,853.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,397.24 : 52,991.34 = 21,631.80 : x
  2. Step 2: Convert to fraction form
    38,397.24/52,991.34 = 21,631.80/x
  3. Step 3: Cross multiply
    38,397.24x = 52,991.34 × 21,631.80
  4. Step 4: Simplify right side
    38,397.24x = 1,146,298,068.61
  5. Step 5: Solve for x
    x = 1,146,298,068.61/38,397.24
  6. Step 6: Final answer
    x = 29,853.66

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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.