Home / 34,721.49-47,915.55-18,805.98

Finding the Fourth Proportional to 34,721.49, 47,915.55 and 18,805.98

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Solution

The fourth proportional to 34,721.49, 47,915.55 and 18,805.98 is: 25,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,721.49 : 47,915.55 = 18,805.98 : x
  2. Step 2: Convert to fraction form
    34,721.49/47,915.55 = 18,805.98/x
  3. Step 3: Cross multiply
    34,721.49x = 47,915.55 × 18,805.98
  4. Step 4: Simplify right side
    34,721.49x = 901,098,874.99
  5. Step 5: Solve for x
    x = 901,098,874.99/34,721.49
  6. Step 6: Final answer
    x = 25,952.19

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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.