Home / 42,431.12-63,646.67-10,841.24

Finding the Fourth Proportional to 42,431.12, 63,646.67 and 10,841.24

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Solution

The fourth proportional to 42,431.12, 63,646.67 and 10,841.24 is: 16,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,431.12 : 63,646.67 = 10,841.24 : x
  2. Step 2: Convert to fraction form
    42,431.12/63,646.67 = 10,841.24/x
  3. Step 3: Cross multiply
    42,431.12x = 63,646.67 × 10,841.24
  4. Step 4: Simplify right side
    42,431.12x = 690,008,452.23
  5. Step 5: Solve for x
    x = 690,008,452.23/42,431.12
  6. Step 6: Final answer
    x = 16,261.85

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Double scale
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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.