Home / 34,658.20-47,828.49-18,742.60

Finding the Fourth Proportional to 34,658.20, 47,828.49 and 18,742.60

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Solution

The fourth proportional to 34,658.20, 47,828.49 and 18,742.60 is: 25,864.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,658.20 : 47,828.49 = 18,742.60 : x
  2. Step 2: Convert to fraction form
    34,658.20/47,828.49 = 18,742.60/x
  3. Step 3: Cross multiply
    34,658.20x = 47,828.49 × 18,742.60
  4. Step 4: Simplify right side
    34,658.20x = 896,430,256.67
  5. Step 5: Solve for x
    x = 896,430,256.67/34,658.20
  6. Step 6: Final answer
    x = 25,864.88

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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.