Home / 40,939.63-61,409.46-14,642.80

Finding the Fourth Proportional to 40,939.63, 61,409.46 and 14,642.80

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Solution

The fourth proportional to 40,939.63, 61,409.46 and 14,642.80 is: 21,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,939.63 : 61,409.46 = 14,642.80 : x
  2. Step 2: Convert to fraction form
    40,939.63/61,409.46 = 14,642.80/x
  3. Step 3: Cross multiply
    40,939.63x = 61,409.46 × 14,642.80
  4. Step 4: Simplify right side
    40,939.63x = 899,206,440.89
  5. Step 5: Solve for x
    x = 899,206,440.89/40,939.63
  6. Step 6: Final answer
    x = 21,964.21

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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.