Home / 42,613.80-63,915.10-13,034.60

Finding the Fourth Proportional to 42,613.80, 63,915.10 and 13,034.60

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Solution

The fourth proportional to 42,613.80, 63,915.10 and 13,034.60 is: 19,550.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,613.80 : 63,915.10 = 13,034.60 : x
  2. Step 2: Convert to fraction form
    42,613.80/63,915.10 = 13,034.60/x
  3. Step 3: Cross multiply
    42,613.80x = 63,915.10 × 13,034.60
  4. Step 4: Simplify right side
    42,613.80x = 833,107,762.46
  5. Step 5: Solve for x
    x = 833,107,762.46/42,613.80
  6. Step 6: Final answer
    x = 19,550.19

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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.