Home / 45,250.45-67,902.14-18,952.99

Finding the Fourth Proportional to 45,250.45, 67,902.14 and 18,952.99

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Solution

The fourth proportional to 45,250.45, 67,902.14 and 18,952.99 is: 28,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,250.45 : 67,902.14 = 18,952.99 : x
  2. Step 2: Convert to fraction form
    45,250.45/67,902.14 = 18,952.99/x
  3. Step 3: Cross multiply
    45,250.45x = 67,902.14 × 18,952.99
  4. Step 4: Simplify right side
    45,250.45x = 1,286,948,580.40
  5. Step 5: Solve for x
    x = 1,286,948,580.40/45,250.45
  6. Step 6: Final answer
    x = 28,440.57

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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.