Home / 42,403.56-63,612.68-14,323.82

Finding the Fourth Proportional to 42,403.56, 63,612.68 and 14,323.82

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Solution

The fourth proportional to 42,403.56, 63,612.68 and 14,323.82 is: 21,488.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,403.56 : 63,612.68 = 14,323.82 : x
  2. Step 2: Convert to fraction form
    42,403.56/63,612.68 = 14,323.82/x
  3. Step 3: Cross multiply
    42,403.56x = 63,612.68 × 14,323.82
  4. Step 4: Simplify right side
    42,403.56x = 911,176,692.31
  5. Step 5: Solve for x
    x = 911,176,692.31/42,403.56
  6. Step 6: Final answer
    x = 21,488.21

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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.