Home / 63,638.45-87,824.47-38,148.96

Finding the Fourth Proportional to 63,638.45, 87,824.47 and 38,148.96

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Solution

The fourth proportional to 63,638.45, 87,824.47 and 38,148.96 is: 52,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,638.45 : 87,824.47 = 38,148.96 : x
  2. Step 2: Convert to fraction form
    63,638.45/87,824.47 = 38,148.96/x
  3. Step 3: Cross multiply
    63,638.45x = 87,824.47 × 38,148.96
  4. Step 4: Simplify right side
    63,638.45x = 3,350,412,193.05
  5. Step 5: Solve for x
    x = 3,350,412,193.05/63,638.45
  6. Step 6: Final answer
    x = 52,647.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.