Home / 63,738.80-87,981.36-38,588.28

Finding the Fourth Proportional to 63,738.80, 87,981.36 and 38,588.28

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Solution

The fourth proportional to 63,738.80, 87,981.36 and 38,588.28 is: 53,265.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,738.80 : 87,981.36 = 38,588.28 : x
  2. Step 2: Convert to fraction form
    63,738.80/87,981.36 = 38,588.28/x
  3. Step 3: Cross multiply
    63,738.80x = 87,981.36 × 38,588.28
  4. Step 4: Simplify right side
    63,738.80x = 3,395,049,354.46
  5. Step 5: Solve for x
    x = 3,395,049,354.46/63,738.80
  6. Step 6: Final answer
    x = 53,265.03

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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.