Home / 55,191.80-76,164.30-30,041.24

Finding the Fourth Proportional to 55,191.80, 76,164.30 and 30,041.24

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Solution

The fourth proportional to 55,191.80, 76,164.30 and 30,041.24 is: 41,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,191.80 : 76,164.30 = 30,041.24 : x
  2. Step 2: Convert to fraction form
    55,191.80/76,164.30 = 30,041.24/x
  3. Step 3: Cross multiply
    55,191.80x = 76,164.30 × 30,041.24
  4. Step 4: Simplify right side
    55,191.80x = 2,288,070,015.73
  5. Step 5: Solve for x
    x = 2,288,070,015.73/55,191.80
  6. Step 6: Final answer
    x = 41,456.70

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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.