Home / 63,079.12-87,048.49-34,398.69

Finding the Fourth Proportional to 63,079.12, 87,048.49 and 34,398.69

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Solution

The fourth proportional to 63,079.12, 87,048.49 and 34,398.69 is: 47,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,079.12 : 87,048.49 = 34,398.69 : x
  2. Step 2: Convert to fraction form
    63,079.12/87,048.49 = 34,398.69/x
  3. Step 3: Cross multiply
    63,079.12x = 87,048.49 × 34,398.69
  4. Step 4: Simplify right side
    63,079.12x = 2,994,354,164.19
  5. Step 5: Solve for x
    x = 2,994,354,164.19/63,079.12
  6. Step 6: Final answer
    x = 47,469.81

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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.