Home / 42,654.14-63,948.18-28,591.64

Finding the Fourth Proportional to 42,654.14, 63,948.18 and 28,591.64

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Solution

The fourth proportional to 42,654.14, 63,948.18 and 28,591.64 is: 42,865.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,654.14 : 63,948.18 = 28,591.64 : x
  2. Step 2: Convert to fraction form
    42,654.14/63,948.18 = 28,591.64/x
  3. Step 3: Cross multiply
    42,654.14x = 63,948.18 × 28,591.64
  4. Step 4: Simplify right side
    42,654.14x = 1,828,383,341.22
  5. Step 5: Solve for x
    x = 1,828,383,341.22/42,654.14
  6. Step 6: Final answer
    x = 42,865.32

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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.