Home / 39,128.08-58,691.88-12,832.63

Finding the Fourth Proportional to 39,128.08, 58,691.88 and 12,832.63

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Solution

The fourth proportional to 39,128.08, 58,691.88 and 12,832.63 is: 19,248.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,128.08 : 58,691.88 = 12,832.63 : x
  2. Step 2: Convert to fraction form
    39,128.08/58,691.88 = 12,832.63/x
  3. Step 3: Cross multiply
    39,128.08x = 58,691.88 × 12,832.63
  4. Step 4: Simplify right side
    39,128.08x = 753,171,180.04
  5. Step 5: Solve for x
    x = 753,171,180.04/39,128.08
  6. Step 6: Final answer
    x = 19,248.87

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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.