Home / 34,658.19-47,828.16-18,742.65

Finding the Fourth Proportional to 34,658.19, 47,828.16 and 18,742.65

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Solution

The fourth proportional to 34,658.19, 47,828.16 and 18,742.65 is: 25,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,658.19 : 47,828.16 = 18,742.65 : x
  2. Step 2: Convert to fraction form
    34,658.19/47,828.16 = 18,742.65/x
  3. Step 3: Cross multiply
    34,658.19x = 47,828.16 × 18,742.65
  4. Step 4: Simplify right side
    34,658.19x = 896,426,463.02
  5. Step 5: Solve for x
    x = 896,426,463.02/34,658.19
  6. Step 6: Final answer
    x = 25,864.78

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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.