Home / 61,220.31-91,865.91-25,678.46

Finding the Fourth Proportional to 61,220.31, 91,865.91 and 25,678.46

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Solution

The fourth proportional to 61,220.31, 91,865.91 and 25,678.46 is: 38,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,220.31 : 91,865.91 = 25,678.46 : x
  2. Step 2: Convert to fraction form
    61,220.31/91,865.91 = 25,678.46/x
  3. Step 3: Cross multiply
    61,220.31x = 91,865.91 × 25,678.46
  4. Step 4: Simplify right side
    61,220.31x = 2,358,975,095.30
  5. Step 5: Solve for x
    x = 2,358,975,095.30/61,220.31
  6. Step 6: Final answer
    x = 38,532.56

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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.