Home / 51,853.16-77,778.84-16,792.88

Finding the Fourth Proportional to 51,853.16, 77,778.84 and 16,792.88

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Solution

The fourth proportional to 51,853.16, 77,778.84 and 16,792.88 is: 25,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,853.16 : 77,778.84 = 16,792.88 : x
  2. Step 2: Convert to fraction form
    51,853.16/77,778.84 = 16,792.88/x
  3. Step 3: Cross multiply
    51,853.16x = 77,778.84 × 16,792.88
  4. Step 4: Simplify right side
    51,853.16x = 1,306,130,726.66
  5. Step 5: Solve for x
    x = 1,306,130,726.66/51,853.16
  6. Step 6: Final answer
    x = 25,189.03

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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.