Home / 42,349.52-63,507.58-18,658.08

Finding the Fourth Proportional to 42,349.52, 63,507.58 and 18,658.08

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Solution

The fourth proportional to 42,349.52, 63,507.58 and 18,658.08 is: 27,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,349.52 : 63,507.58 = 18,658.08 : x
  2. Step 2: Convert to fraction form
    42,349.52/63,507.58 = 18,658.08/x
  3. Step 3: Cross multiply
    42,349.52x = 63,507.58 × 18,658.08
  4. Step 4: Simplify right side
    42,349.52x = 1,184,929,508.25
  5. Step 5: Solve for x
    x = 1,184,929,508.25/42,349.52
  6. Step 6: Final answer
    x = 27,979.76

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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.