Home / 42,950.44-64,359.91-17,976.90

Finding the Fourth Proportional to 42,950.44, 64,359.91 and 17,976.90

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Solution

The fourth proportional to 42,950.44, 64,359.91 and 17,976.90 is: 26,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,950.44 : 64,359.91 = 17,976.90 : x
  2. Step 2: Convert to fraction form
    42,950.44/64,359.91 = 17,976.90/x
  3. Step 3: Cross multiply
    42,950.44x = 64,359.91 × 17,976.90
  4. Step 4: Simplify right side
    42,950.44x = 1,156,991,299.34
  5. Step 5: Solve for x
    x = 1,156,991,299.34/42,950.44
  6. Step 6: Final answer
    x = 26,937.82

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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.