Home / 42,082.80-63,208.30-26,315.88

Finding the Fourth Proportional to 42,082.80, 63,208.30 and 26,315.88

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Solution

The fourth proportional to 42,082.80, 63,208.30 and 26,315.88 is: 39,526.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,082.80 : 63,208.30 = 26,315.88 : x
  2. Step 2: Convert to fraction form
    42,082.80/63,208.30 = 26,315.88/x
  3. Step 3: Cross multiply
    42,082.80x = 63,208.30 × 26,315.88
  4. Step 4: Simplify right side
    42,082.80x = 1,663,382,037.80
  5. Step 5: Solve for x
    x = 1,663,382,037.80/42,082.80
  6. Step 6: Final answer
    x = 39,526.41

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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.