Home / 40,051.77-55,272.33-22,148.79

Finding the Fourth Proportional to 40,051.77, 55,272.33 and 22,148.79

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Solution

The fourth proportional to 40,051.77, 55,272.33 and 22,148.79 is: 30,565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,051.77 : 55,272.33 = 22,148.79 : x
  2. Step 2: Convert to fraction form
    40,051.77/55,272.33 = 22,148.79/x
  3. Step 3: Cross multiply
    40,051.77x = 55,272.33 × 22,148.79
  4. Step 4: Simplify right side
    40,051.77x = 1,224,215,229.98
  5. Step 5: Solve for x
    x = 1,224,215,229.98/40,051.77
  6. Step 6: Final answer
    x = 30,565.82

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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.