Home / 39,750.87-54,856.03-22,755.05

Finding the Fourth Proportional to 39,750.87, 54,856.03 and 22,755.05

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Solution

The fourth proportional to 39,750.87, 54,856.03 and 22,755.05 is: 31,401.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,750.87 : 54,856.03 = 22,755.05 : x
  2. Step 2: Convert to fraction form
    39,750.87/54,856.03 = 22,755.05/x
  3. Step 3: Cross multiply
    39,750.87x = 54,856.03 × 22,755.05
  4. Step 4: Simplify right side
    39,750.87x = 1,248,251,705.45
  5. Step 5: Solve for x
    x = 1,248,251,705.45/39,750.87
  6. Step 6: Final answer
    x = 31,401.87

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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.