Home / 49,432.15-68,221.23-28,214.60

Finding the Fourth Proportional to 49,432.15, 68,221.23 and 28,214.60

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Solution

The fourth proportional to 49,432.15, 68,221.23 and 28,214.60 is: 38,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,432.15 : 68,221.23 = 28,214.60 : x
  2. Step 2: Convert to fraction form
    49,432.15/68,221.23 = 28,214.60/x
  3. Step 3: Cross multiply
    49,432.15x = 68,221.23 × 28,214.60
  4. Step 4: Simplify right side
    49,432.15x = 1,924,834,992.32
  5. Step 5: Solve for x
    x = 1,924,834,992.32/49,432.15
  6. Step 6: Final answer
    x = 38,938.93

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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.