Home / 42,231.77-63,221.45-25,541.32

Finding the Fourth Proportional to 42,231.77, 63,221.45 and 25,541.32

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Solution

The fourth proportional to 42,231.77, 63,221.45 and 25,541.32 is: 38,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,231.77 : 63,221.45 = 25,541.32 : x
  2. Step 2: Convert to fraction form
    42,231.77/63,221.45 = 25,541.32/x
  3. Step 3: Cross multiply
    42,231.77x = 63,221.45 × 25,541.32
  4. Step 4: Simplify right side
    42,231.77x = 1,614,758,969.21
  5. Step 5: Solve for x
    x = 1,614,758,969.21/42,231.77
  6. Step 6: Final answer
    x = 38,235.65

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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.