Home / 40,332.81-55,658.97-22,427.64

Finding the Fourth Proportional to 40,332.81, 55,658.97 and 22,427.64

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Solution

The fourth proportional to 40,332.81, 55,658.97 and 22,427.64 is: 30,949.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,332.81 : 55,658.97 = 22,427.64 : x
  2. Step 2: Convert to fraction form
    40,332.81/55,658.97 = 22,427.64/x
  3. Step 3: Cross multiply
    40,332.81x = 55,658.97 × 22,427.64
  4. Step 4: Simplify right side
    40,332.81x = 1,248,299,341.93
  5. Step 5: Solve for x
    x = 1,248,299,341.93/40,332.81
  6. Step 6: Final answer
    x = 30,949.97

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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.