Home / 55,470.30-83,213.76-20,407.29

Finding the Fourth Proportional to 55,470.30, 83,213.76 and 20,407.29

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Solution

The fourth proportional to 55,470.30, 83,213.76 and 20,407.29 is: 30,613.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,470.30 : 83,213.76 = 20,407.29 : x
  2. Step 2: Convert to fraction form
    55,470.30/83,213.76 = 20,407.29/x
  3. Step 3: Cross multiply
    55,470.30x = 83,213.76 × 20,407.29
  4. Step 4: Simplify right side
    55,470.30x = 1,698,167,332.31
  5. Step 5: Solve for x
    x = 1,698,167,332.31/55,470.30
  6. Step 6: Final answer
    x = 30,613.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.