Home / 65,229.04-90,018.30-36,549.91

Finding the Fourth Proportional to 65,229.04, 90,018.30 and 36,549.91

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Solution

The fourth proportional to 65,229.04, 90,018.30 and 36,549.91 is: 50,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,229.04 : 90,018.30 = 36,549.91 : x
  2. Step 2: Convert to fraction form
    65,229.04/90,018.30 = 36,549.91/x
  3. Step 3: Cross multiply
    65,229.04x = 90,018.30 × 36,549.91
  4. Step 4: Simplify right side
    65,229.04x = 3,290,160,763.35
  5. Step 5: Solve for x
    x = 3,290,160,763.35/65,229.04
  6. Step 6: Final answer
    x = 50,440.12

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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.