Home / 42,147.57-63,221.36-10,982.82

Finding the Fourth Proportional to 42,147.57, 63,221.36 and 10,982.82

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Solution

The fourth proportional to 42,147.57, 63,221.36 and 10,982.82 is: 16,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,147.57 : 63,221.36 = 10,982.82 : x
  2. Step 2: Convert to fraction form
    42,147.57/63,221.36 = 10,982.82/x
  3. Step 3: Cross multiply
    42,147.57x = 63,221.36 × 10,982.82
  4. Step 4: Simplify right side
    42,147.57x = 694,348,762.12
  5. Step 5: Solve for x
    x = 694,348,762.12/42,147.57
  6. Step 6: Final answer
    x = 16,474.23

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1.5x scale

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.