Home / 42,253.74-63,390.21-22,521.90

Finding the Fourth Proportional to 42,253.74, 63,390.21 and 22,521.90

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Solution

The fourth proportional to 42,253.74, 63,390.21 and 22,521.90 is: 33,787.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,253.74 : 63,390.21 = 22,521.90 : x
  2. Step 2: Convert to fraction form
    42,253.74/63,390.21 = 22,521.90/x
  3. Step 3: Cross multiply
    42,253.74x = 63,390.21 × 22,521.90
  4. Step 4: Simplify right side
    42,253.74x = 1,427,667,970.60
  5. Step 5: Solve for x
    x = 1,427,667,970.60/42,253.74
  6. Step 6: Final answer
    x = 33,787.97

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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.