Home / 42,642.18-63,963.60-16,340.64

Finding the Fourth Proportional to 42,642.18, 63,963.60 and 16,340.64

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Solution

The fourth proportional to 42,642.18, 63,963.60 and 16,340.64 is: 24,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,642.18 : 63,963.60 = 16,340.64 : x
  2. Step 2: Convert to fraction form
    42,642.18/63,963.60 = 16,340.64/x
  3. Step 3: Cross multiply
    42,642.18x = 63,963.60 × 16,340.64
  4. Step 4: Simplify right side
    42,642.18x = 1,045,206,160.70
  5. Step 5: Solve for x
    x = 1,045,206,160.70/42,642.18
  6. Step 6: Final answer
    x = 24,511.09

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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.