Home / 34,721.43-47,915.55-18,805.89

Finding the Fourth Proportional to 34,721.43, 47,915.55 and 18,805.89

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Solution

The fourth proportional to 34,721.43, 47,915.55 and 18,805.89 is: 25,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,721.43 : 47,915.55 = 18,805.89 : x
  2. Step 2: Convert to fraction form
    34,721.43/47,915.55 = 18,805.89/x
  3. Step 3: Cross multiply
    34,721.43x = 47,915.55 × 18,805.89
  4. Step 4: Simplify right side
    34,721.43x = 901,094,562.59
  5. Step 5: Solve for x
    x = 901,094,562.59/34,721.43
  6. Step 6: Final answer
    x = 25,952.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.