Home / 42,147.90-63,220.39-10,558.23

Finding the Fourth Proportional to 42,147.90, 63,220.39 and 10,558.23

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Solution

The fourth proportional to 42,147.90, 63,220.39 and 10,558.23 is: 15,836.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,147.90 : 63,220.39 = 10,558.23 : x
  2. Step 2: Convert to fraction form
    42,147.90/63,220.39 = 10,558.23/x
  3. Step 3: Cross multiply
    42,147.90x = 63,220.39 × 10,558.23
  4. Step 4: Simplify right side
    42,147.90x = 667,495,418.31
  5. Step 5: Solve for x
    x = 667,495,418.31/42,147.90
  6. Step 6: Final answer
    x = 15,836.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.