Home / 38,774.70-58,170.15-12,497.49

Finding the Fourth Proportional to 38,774.70, 58,170.15 and 12,497.49

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Solution

The fourth proportional to 38,774.70, 58,170.15 and 12,497.49 is: 18,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,774.70 : 58,170.15 = 12,497.49 : x
  2. Step 2: Convert to fraction form
    38,774.70/58,170.15 = 12,497.49/x
  3. Step 3: Cross multiply
    38,774.70x = 58,170.15 × 12,497.49
  4. Step 4: Simplify right side
    38,774.70x = 726,980,867.92
  5. Step 5: Solve for x
    x = 726,980,867.92/38,774.70
  6. Step 6: Final answer
    x = 18,748.85

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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.