Home / 63,724.16-87,906.18-38,218.26

Finding the Fourth Proportional to 63,724.16, 87,906.18 and 38,218.26

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Solution

The fourth proportional to 63,724.16, 87,906.18 and 38,218.26 is: 52,721.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,724.16 : 87,906.18 = 38,218.26 : x
  2. Step 2: Convert to fraction form
    63,724.16/87,906.18 = 38,218.26/x
  3. Step 3: Cross multiply
    63,724.16x = 87,906.18 × 38,218.26
  4. Step 4: Simplify right side
    63,724.16x = 3,359,621,242.85
  5. Step 5: Solve for x
    x = 3,359,621,242.85/63,724.16
  6. Step 6: Final answer
    x = 52,721.31

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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.