Home / 65,119.18-89,860.12-36,433.86

Finding the Fourth Proportional to 65,119.18, 89,860.12 and 36,433.86

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Solution

The fourth proportional to 65,119.18, 89,860.12 and 36,433.86 is: 50,276.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,119.18 : 89,860.12 = 36,433.86 : x
  2. Step 2: Convert to fraction form
    65,119.18/89,860.12 = 36,433.86/x
  3. Step 3: Cross multiply
    65,119.18x = 89,860.12 × 36,433.86
  4. Step 4: Simplify right side
    65,119.18x = 3,273,951,031.66
  5. Step 5: Solve for x
    x = 3,273,951,031.66/65,119.18
  6. Step 6: Final answer
    x = 50,276.29

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1.5x scale

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.