Home / 44,176.76-66,279.54-20,805.56

Finding the Fourth Proportional to 44,176.76, 66,279.54 and 20,805.56

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Solution

The fourth proportional to 44,176.76, 66,279.54 and 20,805.56 is: 31,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,176.76 : 66,279.54 = 20,805.56 : x
  2. Step 2: Convert to fraction form
    44,176.76/66,279.54 = 20,805.56/x
  3. Step 3: Cross multiply
    44,176.76x = 66,279.54 × 20,805.56
  4. Step 4: Simplify right side
    44,176.76x = 1,378,982,946.24
  5. Step 5: Solve for x
    x = 1,378,982,946.24/44,176.76
  6. Step 6: Final answer
    x = 31,215.12

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1.5x scale

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.