Home / 65,040.45-89,753.92-36,360.15

Finding the Fourth Proportional to 65,040.45, 89,753.92 and 36,360.15

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Solution

The fourth proportional to 65,040.45, 89,753.92 and 36,360.15 is: 50,175.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,040.45 : 89,753.92 = 36,360.15 : x
  2. Step 2: Convert to fraction form
    65,040.45/89,753.92 = 36,360.15/x
  3. Step 3: Cross multiply
    65,040.45x = 89,753.92 × 36,360.15
  4. Step 4: Simplify right side
    65,040.45x = 3,263,465,994.29
  5. Step 5: Solve for x
    x = 3,263,465,994.29/65,040.45
  6. Step 6: Final answer
    x = 50,175.94

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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.