Home / 41,971.65-57,921.09-23,108.76

Finding the Fourth Proportional to 41,971.65, 57,921.09 and 23,108.76

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Solution

The fourth proportional to 41,971.65, 57,921.09 and 23,108.76 is: 31,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,971.65 : 57,921.09 = 23,108.76 : x
  2. Step 2: Convert to fraction form
    41,971.65/57,921.09 = 23,108.76/x
  3. Step 3: Cross multiply
    41,971.65x = 57,921.09 × 23,108.76
  4. Step 4: Simplify right side
    41,971.65x = 1,338,484,567.75
  5. Step 5: Solve for x
    x = 1,338,484,567.75/41,971.65
  6. Step 6: Final answer
    x = 31,890.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.