Home / 29,332.20-43,998.30-7,145.40

Finding the Fourth Proportional to 29,332.20, 43,998.30 and 7,145.40

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Solution

The fourth proportional to 29,332.20, 43,998.30 and 7,145.40 is: 10,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,332.20 : 43,998.30 = 7,145.40 : x
  2. Step 2: Convert to fraction form
    29,332.20/43,998.30 = 7,145.40/x
  3. Step 3: Cross multiply
    29,332.20x = 43,998.30 × 7,145.40
  4. Step 4: Simplify right side
    29,332.20x = 314,385,452.82
  5. Step 5: Solve for x
    x = 314,385,452.82/29,332.20
  6. Step 6: Final answer
    x = 10,718.10

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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.