Home / 45,154.35-67,734.77-15,571.76

Finding the Fourth Proportional to 45,154.35, 67,734.77 and 15,571.76

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Solution

The fourth proportional to 45,154.35, 67,734.77 and 15,571.76 is: 23,358.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,154.35 : 67,734.77 = 15,571.76 : x
  2. Step 2: Convert to fraction form
    45,154.35/67,734.77 = 15,571.76/x
  3. Step 3: Cross multiply
    45,154.35x = 67,734.77 × 15,571.76
  4. Step 4: Simplify right side
    45,154.35x = 1,054,749,582.10
  5. Step 5: Solve for x
    x = 1,054,749,582.10/45,154.35
  6. Step 6: Final answer
    x = 23,358.76

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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.