Home / 42,567.76-63,822.02-18,862.44

Finding the Fourth Proportional to 42,567.76, 63,822.02 and 18,862.44

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Solution

The fourth proportional to 42,567.76, 63,822.02 and 18,862.44 is: 28,280.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,567.76 : 63,822.02 = 18,862.44 : x
  2. Step 2: Convert to fraction form
    42,567.76/63,822.02 = 18,862.44/x
  3. Step 3: Cross multiply
    42,567.76x = 63,822.02 × 18,862.44
  4. Step 4: Simplify right side
    42,567.76x = 1,203,839,022.93
  5. Step 5: Solve for x
    x = 1,203,839,022.93/42,567.76
  6. Step 6: Final answer
    x = 28,280.53

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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.