Home / 40,070.64-55,298.46-22,166.02

Finding the Fourth Proportional to 40,070.64, 55,298.46 and 22,166.02

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Solution

The fourth proportional to 40,070.64, 55,298.46 and 22,166.02 is: 30,589.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,070.64 : 55,298.46 = 22,166.02 : x
  2. Step 2: Convert to fraction form
    40,070.64/55,298.46 = 22,166.02/x
  3. Step 3: Cross multiply
    40,070.64x = 55,298.46 × 22,166.02
  4. Step 4: Simplify right side
    40,070.64x = 1,225,746,770.33
  5. Step 5: Solve for x
    x = 1,225,746,770.33/40,070.64
  6. Step 6: Final answer
    x = 30,589.65

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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.