Home / 42,378.12-63,569.61-16,082.28

Finding the Fourth Proportional to 42,378.12, 63,569.61 and 16,082.28

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Solution

The fourth proportional to 42,378.12, 63,569.61 and 16,082.28 is: 24,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,378.12 : 63,569.61 = 16,082.28 : x
  2. Step 2: Convert to fraction form
    42,378.12/63,569.61 = 16,082.28/x
  3. Step 3: Cross multiply
    42,378.12x = 63,569.61 × 16,082.28
  4. Step 4: Simplify right side
    42,378.12x = 1,022,344,267.51
  5. Step 5: Solve for x
    x = 1,022,344,267.51/42,378.12
  6. Step 6: Final answer
    x = 24,124.34

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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.