Home / 45,543.16-68,314.42-35,031.90

Finding the Fourth Proportional to 45,543.16, 68,314.42 and 35,031.90

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Solution

The fourth proportional to 45,543.16, 68,314.42 and 35,031.90 is: 52,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543.16 : 68,314.42 = 35,031.90 : x
  2. Step 2: Convert to fraction form
    45,543.16/68,314.42 = 35,031.90/x
  3. Step 3: Cross multiply
    45,543.16x = 68,314.42 × 35,031.90
  4. Step 4: Simplify right side
    45,543.16x = 2,393,183,930.00
  5. Step 5: Solve for x
    x = 2,393,183,930.00/45,543.16
  6. Step 6: Final answer
    x = 52,547.60

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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.