Home / 61,439.38-92,158.16-19,886.38

Finding the Fourth Proportional to 61,439.38, 92,158.16 and 19,886.38

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Solution

The fourth proportional to 61,439.38, 92,158.16 and 19,886.38 is: 29,829.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,439.38 : 92,158.16 = 19,886.38 : x
  2. Step 2: Convert to fraction form
    61,439.38/92,158.16 = 19,886.38/x
  3. Step 3: Cross multiply
    61,439.38x = 92,158.16 × 19,886.38
  4. Step 4: Simplify right side
    61,439.38x = 1,832,691,860.03
  5. Step 5: Solve for x
    x = 1,832,691,860.03/61,439.38
  6. Step 6: Final answer
    x = 29,829.27

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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.