Home / 44,173.76-66,275.04-20,802.56

Finding the Fourth Proportional to 44,173.76, 66,275.04 and 20,802.56

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Solution

The fourth proportional to 44,173.76, 66,275.04 and 20,802.56 is: 31,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,173.76 : 66,275.04 = 20,802.56 : x
  2. Step 2: Convert to fraction form
    44,173.76/66,275.04 = 20,802.56/x
  3. Step 3: Cross multiply
    44,173.76x = 66,275.04 × 20,802.56
  4. Step 4: Simplify right side
    44,173.76x = 1,378,690,496.10
  5. Step 5: Solve for x
    x = 1,378,690,496.10/44,173.76
  6. Step 6: Final answer
    x = 31,210.62

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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.