Home / 40,333.82-55,661.04-22,430.79

Finding the Fourth Proportional to 40,333.82, 55,661.04 and 22,430.79

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Solution

The fourth proportional to 40,333.82, 55,661.04 and 22,430.79 is: 30,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,333.82 : 55,661.04 = 22,430.79 : x
  2. Step 2: Convert to fraction form
    40,333.82/55,661.04 = 22,430.79/x
  3. Step 3: Cross multiply
    40,333.82x = 55,661.04 × 22,430.79
  4. Step 4: Simplify right side
    40,333.82x = 1,248,521,099.42
  5. Step 5: Solve for x
    x = 1,248,521,099.42/40,333.82
  6. Step 6: Final answer
    x = 30,954.70

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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.