Home / 42,195.34-63,255.76-15,918.53

Finding the Fourth Proportional to 42,195.34, 63,255.76 and 15,918.53

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Solution

The fourth proportional to 42,195.34, 63,255.76 and 15,918.53 is: 23,863.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,195.34 : 63,255.76 = 15,918.53 : x
  2. Step 2: Convert to fraction form
    42,195.34/63,255.76 = 15,918.53/x
  3. Step 3: Cross multiply
    42,195.34x = 63,255.76 × 15,918.53
  4. Step 4: Simplify right side
    42,195.34x = 1,006,938,713.23
  5. Step 5: Solve for x
    x = 1,006,938,713.23/42,195.34
  6. Step 6: Final answer
    x = 23,863.74

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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.