Home / 38,732.64-58,093.44-12,439.68

Finding the Fourth Proportional to 38,732.64, 58,093.44 and 12,439.68

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Solution

The fourth proportional to 38,732.64, 58,093.44 and 12,439.68 is: 18,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,732.64 : 58,093.44 = 12,439.68 : x
  2. Step 2: Convert to fraction form
    38,732.64/58,093.44 = 12,439.68/x
  3. Step 3: Cross multiply
    38,732.64x = 58,093.44 × 12,439.68
  4. Step 4: Simplify right side
    38,732.64x = 722,663,803.70
  5. Step 5: Solve for x
    x = 722,663,803.70/38,732.64
  6. Step 6: Final answer
    x = 18,657.75

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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.