Home / 34,102.16-51,151.80-11,915.56

Finding the Fourth Proportional to 34,102.16, 51,151.80 and 11,915.56

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Solution

The fourth proportional to 34,102.16, 51,151.80 and 11,915.56 is: 17,872.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,102.16 : 51,151.80 = 11,915.56 : x
  2. Step 2: Convert to fraction form
    34,102.16/51,151.80 = 11,915.56/x
  3. Step 3: Cross multiply
    34,102.16x = 51,151.80 × 11,915.56
  4. Step 4: Simplify right side
    34,102.16x = 609,502,342.01
  5. Step 5: Solve for x
    x = 609,502,342.01/34,102.16
  6. Step 6: Final answer
    x = 17,872.84

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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.