Home / 40,939.65-61,437.68-14,285.79

Finding the Fourth Proportional to 40,939.65, 61,437.68 and 14,285.79

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Solution

The fourth proportional to 40,939.65, 61,437.68 and 14,285.79 is: 21,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,939.65 : 61,437.68 = 14,285.79 : x
  2. Step 2: Convert to fraction form
    40,939.65/61,437.68 = 14,285.79/x
  3. Step 3: Cross multiply
    40,939.65x = 61,437.68 × 14,285.79
  4. Step 4: Simplify right side
    40,939.65x = 877,685,723.14
  5. Step 5: Solve for x
    x = 877,685,723.14/40,939.65
  6. Step 6: Final answer
    x = 21,438.53

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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.