Home / 40,955.76-61,448.43-14,305.68

Finding the Fourth Proportional to 40,955.76, 61,448.43 and 14,305.68

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Solution

The fourth proportional to 40,955.76, 61,448.43 and 14,305.68 is: 21,463.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,955.76 : 61,448.43 = 14,305.68 : x
  2. Step 2: Convert to fraction form
    40,955.76/61,448.43 = 14,305.68/x
  3. Step 3: Cross multiply
    40,955.76x = 61,448.43 × 14,305.68
  4. Step 4: Simplify right side
    40,955.76x = 879,061,576.08
  5. Step 5: Solve for x
    x = 879,061,576.08/40,955.76
  6. Step 6: Final answer
    x = 21,463.69

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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.