Home / 51,680.82-77,521.65-14,242.95

Finding the Fourth Proportional to 51,680.82, 77,521.65 and 14,242.95

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Solution

The fourth proportional to 51,680.82, 77,521.65 and 14,242.95 is: 21,364.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,680.82 : 77,521.65 = 14,242.95 : x
  2. Step 2: Convert to fraction form
    51,680.82/77,521.65 = 14,242.95/x
  3. Step 3: Cross multiply
    51,680.82x = 77,521.65 × 14,242.95
  4. Step 4: Simplify right side
    51,680.82x = 1,104,136,984.87
  5. Step 5: Solve for x
    x = 1,104,136,984.87/51,680.82
  6. Step 6: Final answer
    x = 21,364.54

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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.