Home / 65,397.50-98,097.18-18,650.38

Finding the Fourth Proportional to 65,397.50, 98,097.18 and 18,650.38

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Solution

The fourth proportional to 65,397.50, 98,097.18 and 18,650.38 is: 27,975.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,397.50 : 98,097.18 = 18,650.38 : x
  2. Step 2: Convert to fraction form
    65,397.50/98,097.18 = 18,650.38/x
  3. Step 3: Cross multiply
    65,397.50x = 98,097.18 × 18,650.38
  4. Step 4: Simplify right side
    65,397.50x = 1,829,549,100.19
  5. Step 5: Solve for x
    x = 1,829,549,100.19/65,397.50
  6. Step 6: Final answer
    x = 27,975.83

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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.