Home / 40,449.81-55,822.05-22,548.62

Finding the Fourth Proportional to 40,449.81, 55,822.05 and 22,548.62

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Solution

The fourth proportional to 40,449.81, 55,822.05 and 22,548.62 is: 31,117.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,449.81 : 55,822.05 = 22,548.62 : x
  2. Step 2: Convert to fraction form
    40,449.81/55,822.05 = 22,548.62/x
  3. Step 3: Cross multiply
    40,449.81x = 55,822.05 × 22,548.62
  4. Step 4: Simplify right side
    40,449.81x = 1,258,709,913.96
  5. Step 5: Solve for x
    x = 1,258,709,913.96/40,449.81
  6. Step 6: Final answer
    x = 31,117.82

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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.