Home / 52,081.22-78,121.92-18,824.76

Finding the Fourth Proportional to 52,081.22, 78,121.92 and 18,824.76

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Solution

The fourth proportional to 52,081.22, 78,121.92 and 18,824.76 is: 28,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,081.22 : 78,121.92 = 18,824.76 : x
  2. Step 2: Convert to fraction form
    52,081.22/78,121.92 = 18,824.76/x
  3. Step 3: Cross multiply
    52,081.22x = 78,121.92 × 18,824.76
  4. Step 4: Simplify right side
    52,081.22x = 1,470,626,394.74
  5. Step 5: Solve for x
    x = 1,470,626,394.74/52,081.22
  6. Step 6: Final answer
    x = 28,237.18

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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.