Home / 37,028.80-55,543.20-21,282.40

Finding the Fourth Proportional to 37,028.80, 55,543.20 and 21,282.40

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Solution

The fourth proportional to 37,028.80, 55,543.20 and 21,282.40 is: 31,923.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,028.80 : 55,543.20 = 21,282.40 : x
  2. Step 2: Convert to fraction form
    37,028.80/55,543.20 = 21,282.40/x
  3. Step 3: Cross multiply
    37,028.80x = 55,543.20 × 21,282.40
  4. Step 4: Simplify right side
    37,028.80x = 1,182,092,599.68
  5. Step 5: Solve for x
    x = 1,182,092,599.68/37,028.80
  6. Step 6: Final answer
    x = 31,923.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.