Home / 29,455.08-40,608.12-20,007.24

Finding the Fourth Proportional to 29,455.08, 40,608.12 and 20,007.24

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Solution

The fourth proportional to 29,455.08, 40,608.12 and 20,007.24 is: 27,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,455.08 : 40,608.12 = 20,007.24 : x
  2. Step 2: Convert to fraction form
    29,455.08/40,608.12 = 20,007.24/x
  3. Step 3: Cross multiply
    29,455.08x = 40,608.12 × 20,007.24
  4. Step 4: Simplify right side
    29,455.08x = 812,456,402.79
  5. Step 5: Solve for x
    x = 812,456,402.79/29,455.08
  6. Step 6: Final answer
    x = 27,582.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.