Home / 29,149.09-43,715.12-13,345.18

Finding the Fourth Proportional to 29,149.09, 43,715.12 and 13,345.18

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Solution

The fourth proportional to 29,149.09, 43,715.12 and 13,345.18 is: 20,013.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,149.09 : 43,715.12 = 13,345.18 : x
  2. Step 2: Convert to fraction form
    29,149.09/43,715.12 = 13,345.18/x
  3. Step 3: Cross multiply
    29,149.09x = 43,715.12 × 13,345.18
  4. Step 4: Simplify right side
    29,149.09x = 583,385,969.11
  5. Step 5: Solve for x
    x = 583,385,969.11/29,149.09
  6. Step 6: Final answer
    x = 20,013.87

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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.