Home / 40,969.40-61,454.29-14,315.27

Finding the Fourth Proportional to 40,969.40, 61,454.29 and 14,315.27

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Solution

The fourth proportional to 40,969.40, 61,454.29 and 14,315.27 is: 21,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,969.40 : 61,454.29 = 14,315.27 : x
  2. Step 2: Convert to fraction form
    40,969.40/61,454.29 = 14,315.27/x
  3. Step 3: Cross multiply
    40,969.40x = 61,454.29 × 14,315.27
  4. Step 4: Simplify right side
    40,969.40x = 879,734,754.01
  5. Step 5: Solve for x
    x = 879,734,754.01/40,969.40
  6. Step 6: Final answer
    x = 21,472.97

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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.