Home / 42,278.16-63,397.80-22,551.60

Finding the Fourth Proportional to 42,278.16, 63,397.80 and 22,551.60

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Solution

The fourth proportional to 42,278.16, 63,397.80 and 22,551.60 is: 33,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,278.16 : 63,397.80 = 22,551.60 : x
  2. Step 2: Convert to fraction form
    42,278.16/63,397.80 = 22,551.60/x
  3. Step 3: Cross multiply
    42,278.16x = 63,397.80 × 22,551.60
  4. Step 4: Simplify right side
    42,278.16x = 1,429,721,826.48
  5. Step 5: Solve for x
    x = 1,429,721,826.48/42,278.16
  6. Step 6: Final answer
    x = 33,817.03

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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.