Home / 40,345.56-55,678.22-22,197.04

Finding the Fourth Proportional to 40,345.56, 55,678.22 and 22,197.04

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Solution

The fourth proportional to 40,345.56, 55,678.22 and 22,197.04 is: 30,632.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,345.56 : 55,678.22 = 22,197.04 : x
  2. Step 2: Convert to fraction form
    40,345.56/55,678.22 = 22,197.04/x
  3. Step 3: Cross multiply
    40,345.56x = 55,678.22 × 22,197.04
  4. Step 4: Simplify right side
    40,345.56x = 1,235,891,676.47
  5. Step 5: Solve for x
    x = 1,235,891,676.47/40,345.56
  6. Step 6: Final answer
    x = 30,632.66

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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.