Home / 49,781.93-68,708.45-28,575.05

Finding the Fourth Proportional to 49,781.93, 68,708.45 and 28,575.05

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Solution

The fourth proportional to 49,781.93, 68,708.45 and 28,575.05 is: 39,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,781.93 : 68,708.45 = 28,575.05 : x
  2. Step 2: Convert to fraction form
    49,781.93/68,708.45 = 28,575.05/x
  3. Step 3: Cross multiply
    49,781.93x = 68,708.45 × 28,575.05
  4. Step 4: Simplify right side
    49,781.93x = 1,963,347,122.07
  5. Step 5: Solve for x
    x = 1,963,347,122.07/49,781.93
  6. Step 6: Final answer
    x = 39,438.96

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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.