Home / 34,979.40-52,490.43-13,915.62

Finding the Fourth Proportional to 34,979.40, 52,490.43 and 13,915.62

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Solution

The fourth proportional to 34,979.40, 52,490.43 and 13,915.62 is: 20,881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,979.40 : 52,490.43 = 13,915.62 : x
  2. Step 2: Convert to fraction form
    34,979.40/52,490.43 = 13,915.62/x
  3. Step 3: Cross multiply
    34,979.40x = 52,490.43 × 13,915.62
  4. Step 4: Simplify right side
    34,979.40x = 730,436,877.52
  5. Step 5: Solve for x
    x = 730,436,877.52/34,979.40
  6. Step 6: Final answer
    x = 20,881.92

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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.