Home / 40,159.60-55,419.58-22,010.18

Finding the Fourth Proportional to 40,159.60, 55,419.58 and 22,010.18

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Solution

The fourth proportional to 40,159.60, 55,419.58 and 22,010.18 is: 30,373.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.60 : 55,419.58 = 22,010.18 : x
  2. Step 2: Convert to fraction form
    40,159.60/55,419.58 = 22,010.18/x
  3. Step 3: Cross multiply
    40,159.60x = 55,419.58 × 22,010.18
  4. Step 4: Simplify right side
    40,159.60x = 1,219,794,993.47
  5. Step 5: Solve for x
    x = 1,219,794,993.47/40,159.60
  6. Step 6: Final answer
    x = 30,373.69

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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.