Home / 45,151.53-67,733.70-18,850.29

Finding the Fourth Proportional to 45,151.53, 67,733.70 and 18,850.29

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Solution

The fourth proportional to 45,151.53, 67,733.70 and 18,850.29 is: 28,278.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,151.53 : 67,733.70 = 18,850.29 : x
  2. Step 2: Convert to fraction form
    45,151.53/67,733.70 = 18,850.29/x
  3. Step 3: Cross multiply
    45,151.53x = 67,733.70 × 18,850.29
  4. Step 4: Simplify right side
    45,151.53x = 1,276,799,887.77
  5. Step 5: Solve for x
    x = 1,276,799,887.77/45,151.53
  6. Step 6: Final answer
    x = 28,278.11

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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.