Home / 65,880.12-98,742.42-24,278.52

Finding the Fourth Proportional to 65,880.12, 98,742.42 and 24,278.52

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Solution

The fourth proportional to 65,880.12, 98,742.42 and 24,278.52 is: 36,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,880.12 : 98,742.42 = 24,278.52 : x
  2. Step 2: Convert to fraction form
    65,880.12/98,742.42 = 24,278.52/x
  3. Step 3: Cross multiply
    65,880.12x = 98,742.42 × 24,278.52
  4. Step 4: Simplify right side
    65,880.12x = 2,397,319,818.82
  5. Step 5: Solve for x
    x = 2,397,319,818.82/65,880.12
  6. Step 6: Final answer
    x = 36,389.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.