Home / 37,121.30-51,225.20-22,015.40

Finding the Fourth Proportional to 37,121.30, 51,225.20 and 22,015.40

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Solution

The fourth proportional to 37,121.30, 51,225.20 and 22,015.40 is: 30,379.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,121.30 : 51,225.20 = 22,015.40 : x
  2. Step 2: Convert to fraction form
    37,121.30/51,225.20 = 22,015.40/x
  3. Step 3: Cross multiply
    37,121.30x = 51,225.20 × 22,015.40
  4. Step 4: Simplify right side
    37,121.30x = 1,127,743,268.08
  5. Step 5: Solve for x
    x = 1,127,743,268.08/37,121.30
  6. Step 6: Final answer
    x = 30,379.95

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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.