Home / 42,979.99-64,433.31-16,311.07

Finding the Fourth Proportional to 42,979.99, 64,433.31 and 16,311.07

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Solution

The fourth proportional to 42,979.99, 64,433.31 and 16,311.07 is: 24,452.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,979.99 : 64,433.31 = 16,311.07 : x
  2. Step 2: Convert to fraction form
    42,979.99/64,433.31 = 16,311.07/x
  3. Step 3: Cross multiply
    42,979.99x = 64,433.31 × 16,311.07
  4. Step 4: Simplify right side
    42,979.99x = 1,050,976,229.74
  5. Step 5: Solve for x
    x = 1,050,976,229.74/42,979.99
  6. Step 6: Final answer
    x = 24,452.69

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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.