Home / 45,278.31-67,917.50-15,696.17

Finding the Fourth Proportional to 45,278.31, 67,917.50 and 15,696.17

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Solution

The fourth proportional to 45,278.31, 67,917.50 and 15,696.17 is: 23,544.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,278.31 : 67,917.50 = 15,696.17 : x
  2. Step 2: Convert to fraction form
    45,278.31/67,917.50 = 15,696.17/x
  3. Step 3: Cross multiply
    45,278.31x = 67,917.50 × 15,696.17
  4. Step 4: Simplify right side
    45,278.31x = 1,066,044,625.98
  5. Step 5: Solve for x
    x = 1,066,044,625.98/45,278.31
  6. Step 6: Final answer
    x = 23,544.27

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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.