Home / 37,687.57-52,006.24-20,919.25

Finding the Fourth Proportional to 37,687.57, 52,006.24 and 20,919.25

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Solution

The fourth proportional to 37,687.57, 52,006.24 and 20,919.25 is: 28,867.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,687.57 : 52,006.24 = 20,919.25 : x
  2. Step 2: Convert to fraction form
    37,687.57/52,006.24 = 20,919.25/x
  3. Step 3: Cross multiply
    37,687.57x = 52,006.24 × 20,919.25
  4. Step 4: Simplify right side
    37,687.57x = 1,087,931,536.12
  5. Step 5: Solve for x
    x = 1,087,931,536.12/37,687.57
  6. Step 6: Final answer
    x = 28,867.12

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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.