Home / 29,277.24-43,879.10-12,617.78

Finding the Fourth Proportional to 29,277.24, 43,879.10 and 12,617.78

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Solution

The fourth proportional to 29,277.24, 43,879.10 and 12,617.78 is: 18,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,277.24 : 43,879.10 = 12,617.78 : x
  2. Step 2: Convert to fraction form
    29,277.24/43,879.10 = 12,617.78/x
  3. Step 3: Cross multiply
    29,277.24x = 43,879.10 × 12,617.78
  4. Step 4: Simplify right side
    29,277.24x = 553,656,547.91
  5. Step 5: Solve for x
    x = 553,656,547.91/29,277.24
  6. Step 6: Final answer
    x = 18,910.82

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1.5x scale

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.