Home / 42,869.96-64,304.94-23,157.80

Finding the Fourth Proportional to 42,869.96, 64,304.94 and 23,157.80

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Solution

The fourth proportional to 42,869.96, 64,304.94 and 23,157.80 is: 34,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,869.96 : 64,304.94 = 23,157.80 : x
  2. Step 2: Convert to fraction form
    42,869.96/64,304.94 = 23,157.80/x
  3. Step 3: Cross multiply
    42,869.96x = 64,304.94 × 23,157.80
  4. Step 4: Simplify right side
    42,869.96x = 1,489,160,939.53
  5. Step 5: Solve for x
    x = 1,489,160,939.53/42,869.96
  6. Step 6: Final answer
    x = 34,736.70

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Similar ratio
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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.