Home / 39,124.08-58,686.12-18,342.72

Finding the Fourth Proportional to 39,124.08, 58,686.12 and 18,342.72

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Solution

The fourth proportional to 39,124.08, 58,686.12 and 18,342.72 is: 27,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,124.08 : 58,686.12 = 18,342.72 : x
  2. Step 2: Convert to fraction form
    39,124.08/58,686.12 = 18,342.72/x
  3. Step 3: Cross multiply
    39,124.08x = 58,686.12 × 18,342.72
  4. Step 4: Simplify right side
    39,124.08x = 1,076,463,067.05
  5. Step 5: Solve for x
    x = 1,076,463,067.05/39,124.08
  6. Step 6: Final answer
    x = 27,514.08

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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.