Home / 63,334.18-87,402.81-38,185.30

Finding the Fourth Proportional to 63,334.18, 87,402.81 and 38,185.30

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Solution

The fourth proportional to 63,334.18, 87,402.81 and 38,185.30 is: 52,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,334.18 : 87,402.81 = 38,185.30 : x
  2. Step 2: Convert to fraction form
    63,334.18/87,402.81 = 38,185.30/x
  3. Step 3: Cross multiply
    63,334.18x = 87,402.81 × 38,185.30
  4. Step 4: Simplify right side
    63,334.18x = 3,337,502,520.69
  5. Step 5: Solve for x
    x = 3,337,502,520.69/63,334.18
  6. Step 6: Final answer
    x = 52,696.70

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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.