Home / 38,937.90-58,412.49-12,274.88

Finding the Fourth Proportional to 38,937.90, 58,412.49 and 12,274.88

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Solution

The fourth proportional to 38,937.90, 58,412.49 and 12,274.88 is: 18,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,937.90 : 58,412.49 = 12,274.88 : x
  2. Step 2: Convert to fraction form
    38,937.90/58,412.49 = 12,274.88/x
  3. Step 3: Cross multiply
    38,937.90x = 58,412.49 × 12,274.88
  4. Step 4: Simplify right side
    38,937.90x = 717,006,282.63
  5. Step 5: Solve for x
    x = 717,006,282.63/38,937.90
  6. Step 6: Final answer
    x = 18,414.10

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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.