Home / 63,911.12-88,203.93-38,425.82

Finding the Fourth Proportional to 63,911.12, 88,203.93 and 38,425.82

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Solution

The fourth proportional to 63,911.12, 88,203.93 and 38,425.82 is: 53,031.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,911.12 : 88,203.93 = 38,425.82 : x
  2. Step 2: Convert to fraction form
    63,911.12/88,203.93 = 38,425.82/x
  3. Step 3: Cross multiply
    63,911.12x = 88,203.93 × 38,425.82
  4. Step 4: Simplify right side
    63,911.12x = 3,389,308,337.47
  5. Step 5: Solve for x
    x = 3,389,308,337.47/63,911.12
  6. Step 6: Final answer
    x = 53,031.59

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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.