Home / 34,664.15-47,836.49-18,748.56

Finding the Fourth Proportional to 34,664.15, 47,836.49 and 18,748.56

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Solution

The fourth proportional to 34,664.15, 47,836.49 and 18,748.56 is: 25,872.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,664.15 : 47,836.49 = 18,748.56 : x
  2. Step 2: Convert to fraction form
    34,664.15/47,836.49 = 18,748.56/x
  3. Step 3: Cross multiply
    34,664.15x = 47,836.49 × 18,748.56
  4. Step 4: Simplify right side
    34,664.15x = 896,865,302.95
  5. Step 5: Solve for x
    x = 896,865,302.95/34,664.15
  6. Step 6: Final answer
    x = 25,872.99

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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.