Home / 51,984.34-77,959.13-16,915.79

Finding the Fourth Proportional to 51,984.34, 77,959.13 and 16,915.79

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Solution

The fourth proportional to 51,984.34, 77,959.13 and 16,915.79 is: 25,368.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,984.34 : 77,959.13 = 16,915.79 : x
  2. Step 2: Convert to fraction form
    51,984.34/77,959.13 = 16,915.79/x
  3. Step 3: Cross multiply
    51,984.34x = 77,959.13 × 16,915.79
  4. Step 4: Simplify right side
    51,984.34x = 1,318,740,381.98
  5. Step 5: Solve for x
    x = 1,318,740,381.98/51,984.34
  6. Step 6: Final answer
    x = 25,368.03

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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.