Home / 63,643-87,827.38-35,348.92

Finding the Fourth Proportional to 63,643, 87,827.38 and 35,348.92

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Solution

The fourth proportional to 63,643, 87,827.38 and 35,348.92 is: 48,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,643 : 87,827.38 = 35,348.92 : x
  2. Step 2: Convert to fraction form
    63,643/87,827.38 = 35,348.92/x
  3. Step 3: Cross multiply
    63,643x = 87,827.38 × 35,348.92
  4. Step 4: Simplify right side
    63,643x = 3,104,603,029.43
  5. Step 5: Solve for x
    x = 3,104,603,029.43/63,643
  6. Step 6: Final answer
    x = 48,781.53

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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.