Home / 38,932.32-58,406.70-12,635.03

Finding the Fourth Proportional to 38,932.32, 58,406.70 and 12,635.03

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Solution

The fourth proportional to 38,932.32, 58,406.70 and 12,635.03 is: 18,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,932.32 : 58,406.70 = 12,635.03 : x
  2. Step 2: Convert to fraction form
    38,932.32/58,406.70 = 12,635.03/x
  3. Step 3: Cross multiply
    38,932.32x = 58,406.70 × 12,635.03
  4. Step 4: Simplify right side
    38,932.32x = 737,970,600.10
  5. Step 5: Solve for x
    x = 737,970,600.10/38,932.32
  6. Step 6: Final answer
    x = 18,955.22

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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.