Home / 40,715.25-61,061.16-14,054.31

Finding the Fourth Proportional to 40,715.25, 61,061.16 and 14,054.31

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Solution

The fourth proportional to 40,715.25, 61,061.16 and 14,054.31 is: 21,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,715.25 : 61,061.16 = 14,054.31 : x
  2. Step 2: Convert to fraction form
    40,715.25/61,061.16 = 14,054.31/x
  3. Step 3: Cross multiply
    40,715.25x = 61,061.16 × 14,054.31
  4. Step 4: Simplify right side
    40,715.25x = 858,172,471.60
  5. Step 5: Solve for x
    x = 858,172,471.60/40,715.25
  6. Step 6: Final answer
    x = 21,077.42

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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.