Home / 40,477.28-55,859.36-22,330.08

Finding the Fourth Proportional to 40,477.28, 55,859.36 and 22,330.08

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Solution

The fourth proportional to 40,477.28, 55,859.36 and 22,330.08 is: 30,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,477.28 : 55,859.36 = 22,330.08 : x
  2. Step 2: Convert to fraction form
    40,477.28/55,859.36 = 22,330.08/x
  3. Step 3: Cross multiply
    40,477.28x = 55,859.36 × 22,330.08
  4. Step 4: Simplify right side
    40,477.28x = 1,247,343,977.55
  5. Step 5: Solve for x
    x = 1,247,343,977.55/40,477.28
  6. Step 6: Final answer
    x = 30,815.90

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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.