Home / 40,218.74-55,508.50-22,319.52

Finding the Fourth Proportional to 40,218.74, 55,508.50 and 22,319.52

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Solution

The fourth proportional to 40,218.74, 55,508.50 and 22,319.52 is: 30,804.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,218.74 : 55,508.50 = 22,319.52 : x
  2. Step 2: Convert to fraction form
    40,218.74/55,508.50 = 22,319.52/x
  3. Step 3: Cross multiply
    40,218.74x = 55,508.50 × 22,319.52
  4. Step 4: Simplify right side
    40,218.74x = 1,238,922,964.32
  5. Step 5: Solve for x
    x = 1,238,922,964.32/40,218.74
  6. Step 6: Final answer
    x = 30,804.62

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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.