Home / 40,051.68-55,269.60-22,145.76

Finding the Fourth Proportional to 40,051.68, 55,269.60 and 22,145.76

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Solution

The fourth proportional to 40,051.68, 55,269.60 and 22,145.76 is: 30,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,051.68 : 55,269.60 = 22,145.76 : x
  2. Step 2: Convert to fraction form
    40,051.68/55,269.60 = 22,145.76/x
  3. Step 3: Cross multiply
    40,051.68x = 55,269.60 × 22,145.76
  4. Step 4: Simplify right side
    40,051.68x = 1,223,987,296.90
  5. Step 5: Solve for x
    x = 1,223,987,296.90/40,051.68
  6. Step 6: Final answer
    x = 30,560.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.