Home / 45,280.56-67,923.90-12,000.24

Finding the Fourth Proportional to 45,280.56, 67,923.90 and 12,000.24

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Solution

The fourth proportional to 45,280.56, 67,923.90 and 12,000.24 is: 18,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,280.56 : 67,923.90 = 12,000.24 : x
  2. Step 2: Convert to fraction form
    45,280.56/67,923.90 = 12,000.24/x
  3. Step 3: Cross multiply
    45,280.56x = 67,923.90 × 12,000.24
  4. Step 4: Simplify right side
    45,280.56x = 815,103,101.74
  5. Step 5: Solve for x
    x = 815,103,101.74/45,280.56
  6. Step 6: Final answer
    x = 18,001.17

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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.