Home / 63,669.43-87,865.38-34,988.87

Finding the Fourth Proportional to 63,669.43, 87,865.38 and 34,988.87

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Solution

The fourth proportional to 63,669.43, 87,865.38 and 34,988.87 is: 48,285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,669.43 : 87,865.38 = 34,988.87 : x
  2. Step 2: Convert to fraction form
    63,669.43/87,865.38 = 34,988.87/x
  3. Step 3: Cross multiply
    63,669.43x = 87,865.38 × 34,988.87
  4. Step 4: Simplify right side
    63,669.43x = 3,074,310,358.32
  5. Step 5: Solve for x
    x = 3,074,310,358.32/63,669.43
  6. Step 6: Final answer
    x = 48,285.51

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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.