Home / 51,079.40-76,544.16-25,744.28

Finding the Fourth Proportional to 51,079.40, 76,544.16 and 25,744.28

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Solution

The fourth proportional to 51,079.40, 76,544.16 and 25,744.28 is: 38,578.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,079.40 : 76,544.16 = 25,744.28 : x
  2. Step 2: Convert to fraction form
    51,079.40/76,544.16 = 25,744.28/x
  3. Step 3: Cross multiply
    51,079.40x = 76,544.16 × 25,744.28
  4. Step 4: Simplify right side
    51,079.40x = 1,970,574,287.40
  5. Step 5: Solve for x
    x = 1,970,574,287.40/51,079.40
  6. Step 6: Final answer
    x = 38,578.65

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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.