Home / 20,501.06-30,752.40-5,711.27

Finding the Fourth Proportional to 20,501.06, 30,752.40 and 5,711.27

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Solution

The fourth proportional to 20,501.06, 30,752.40 and 5,711.27 is: 8,567.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501.06 : 30,752.40 = 5,711.27 : x
  2. Step 2: Convert to fraction form
    20,501.06/30,752.40 = 5,711.27/x
  3. Step 3: Cross multiply
    20,501.06x = 30,752.40 × 5,711.27
  4. Step 4: Simplify right side
    20,501.06x = 175,635,259.55
  5. Step 5: Solve for x
    x = 175,635,259.55/20,501.06
  6. Step 6: Final answer
    x = 8,567.13

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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.