Home / 48,987.60-73,438.20-43,738.80

Finding the Fourth Proportional to 48,987.60, 73,438.20 and 43,738.80

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Solution

The fourth proportional to 48,987.60, 73,438.20 and 43,738.80 is: 65,569.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,987.60 : 73,438.20 = 43,738.80 : x
  2. Step 2: Convert to fraction form
    48,987.60/73,438.20 = 43,738.80/x
  3. Step 3: Cross multiply
    48,987.60x = 73,438.20 × 43,738.80
  4. Step 4: Simplify right side
    48,987.60x = 3,212,098,742.16
  5. Step 5: Solve for x
    x = 3,212,098,742.16/48,987.60
  6. Step 6: Final answer
    x = 65,569.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.