Home / 51,360.89-77,040.86-27,679.59

Finding the Fourth Proportional to 51,360.89, 77,040.86 and 27,679.59

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Solution

The fourth proportional to 51,360.89, 77,040.86 and 27,679.59 is: 41,519.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,360.89 : 77,040.86 = 27,679.59 : x
  2. Step 2: Convert to fraction form
    51,360.89/77,040.86 = 27,679.59/x
  3. Step 3: Cross multiply
    51,360.89x = 77,040.86 × 27,679.59
  4. Step 4: Simplify right side
    51,360.89x = 2,132,459,279.65
  5. Step 5: Solve for x
    x = 2,132,459,279.65/51,360.89
  6. Step 6: Final answer
    x = 41,519.13

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1.5x scale

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.