Home / 63,640.13-87,825.20-35,347.64

Finding the Fourth Proportional to 63,640.13, 87,825.20 and 35,347.64

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Solution

The fourth proportional to 63,640.13, 87,825.20 and 35,347.64 is: 48,780.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,640.13 : 87,825.20 = 35,347.64 : x
  2. Step 2: Convert to fraction form
    63,640.13/87,825.20 = 35,347.64/x
  3. Step 3: Cross multiply
    63,640.13x = 87,825.20 × 35,347.64
  4. Step 4: Simplify right side
    63,640.13x = 3,104,412,936.66
  5. Step 5: Solve for x
    x = 3,104,412,936.66/63,640.13
  6. Step 6: Final answer
    x = 48,780.75

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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.