Home / 66,344.42-99,516.75-19,630.10

Finding the Fourth Proportional to 66,344.42, 99,516.75 and 19,630.10

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Solution

The fourth proportional to 66,344.42, 99,516.75 and 19,630.10 is: 29,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,344.42 : 99,516.75 = 19,630.10 : x
  2. Step 2: Convert to fraction form
    66,344.42/99,516.75 = 19,630.10/x
  3. Step 3: Cross multiply
    66,344.42x = 99,516.75 × 19,630.10
  4. Step 4: Simplify right side
    66,344.42x = 1,953,523,754.18
  5. Step 5: Solve for x
    x = 1,953,523,754.18/66,344.42
  6. Step 6: Final answer
    x = 29,445.19

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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.