Home / 63,036.72-87,031.17-39,195.81

Finding the Fourth Proportional to 63,036.72, 87,031.17 and 39,195.81

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Solution

The fourth proportional to 63,036.72, 87,031.17 and 39,195.81 is: 54,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,036.72 : 87,031.17 = 39,195.81 : x
  2. Step 2: Convert to fraction form
    63,036.72/87,031.17 = 39,195.81/x
  3. Step 3: Cross multiply
    63,036.72x = 87,031.17 × 39,195.81
  4. Step 4: Simplify right side
    63,036.72x = 3,411,257,203.40
  5. Step 5: Solve for x
    x = 3,411,257,203.40/63,036.72
  6. Step 6: Final answer
    x = 54,115.40

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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.