Home / 45,024.89-67,500.87-18,749.30

Finding the Fourth Proportional to 45,024.89, 67,500.87 and 18,749.30

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Solution

The fourth proportional to 45,024.89, 67,500.87 and 18,749.30 is: 28,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,024.89 : 67,500.87 = 18,749.30 : x
  2. Step 2: Convert to fraction form
    45,024.89/67,500.87 = 18,749.30/x
  3. Step 3: Cross multiply
    45,024.89x = 67,500.87 × 18,749.30
  4. Step 4: Simplify right side
    45,024.89x = 1,265,593,724.39
  5. Step 5: Solve for x
    x = 1,265,593,724.39/45,024.89
  6. Step 6: Final answer
    x = 28,108.76

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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.