Home / 45,278.26-62,471.29-28,299.76

Finding the Fourth Proportional to 45,278.26, 62,471.29 and 28,299.76

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Solution

The fourth proportional to 45,278.26, 62,471.29 and 28,299.76 is: 39,045.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,278.26 : 62,471.29 = 28,299.76 : x
  2. Step 2: Convert to fraction form
    45,278.26/62,471.29 = 28,299.76/x
  3. Step 3: Cross multiply
    45,278.26x = 62,471.29 × 28,299.76
  4. Step 4: Simplify right side
    45,278.26x = 1,767,922,513.89
  5. Step 5: Solve for x
    x = 1,767,922,513.89/45,278.26
  6. Step 6: Final answer
    x = 39,045.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.