Home / 40,162.60-55,424.30-23,166.57

Finding the Fourth Proportional to 40,162.60, 55,424.30 and 23,166.57

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Solution

The fourth proportional to 40,162.60, 55,424.30 and 23,166.57 is: 31,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,162.60 : 55,424.30 = 23,166.57 : x
  2. Step 2: Convert to fraction form
    40,162.60/55,424.30 = 23,166.57/x
  3. Step 3: Cross multiply
    40,162.60x = 55,424.30 × 23,166.57
  4. Step 4: Simplify right side
    40,162.60x = 1,283,990,925.65
  5. Step 5: Solve for x
    x = 1,283,990,925.65/40,162.60
  6. Step 6: Final answer
    x = 31,969.82

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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.