Home / 63,309.34-87,366.90-38,163.70

Finding the Fourth Proportional to 63,309.34, 87,366.90 and 38,163.70

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Solution

The fourth proportional to 63,309.34, 87,366.90 and 38,163.70 is: 52,665.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,309.34 : 87,366.90 = 38,163.70 : x
  2. Step 2: Convert to fraction form
    63,309.34/87,366.90 = 38,163.70/x
  3. Step 3: Cross multiply
    63,309.34x = 87,366.90 × 38,163.70
  4. Step 4: Simplify right side
    63,309.34x = 3,334,244,161.53
  5. Step 5: Solve for x
    x = 3,334,244,161.53/63,309.34
  6. Step 6: Final answer
    x = 52,665.91

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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.