Home / 40,478.80-55,838.28-23,708.56

Finding the Fourth Proportional to 40,478.80, 55,838.28 and 23,708.56

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Solution

The fourth proportional to 40,478.80, 55,838.28 and 23,708.56 is: 32,704.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478.80 : 55,838.28 = 23,708.56 : x
  2. Step 2: Convert to fraction form
    40,478.80/55,838.28 = 23,708.56/x
  3. Step 3: Cross multiply
    40,478.80x = 55,838.28 × 23,708.56
  4. Step 4: Simplify right side
    40,478.80x = 1,323,845,211.68
  5. Step 5: Solve for x
    x = 1,323,845,211.68/40,478.80
  6. Step 6: Final answer
    x = 32,704.66

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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.