Home / 48,719.60-73,079.40-15,887.60

Finding the Fourth Proportional to 48,719.60, 73,079.40 and 15,887.60

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Solution

The fourth proportional to 48,719.60, 73,079.40 and 15,887.60 is: 23,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,719.60 : 73,079.40 = 15,887.60 : x
  2. Step 2: Convert to fraction form
    48,719.60/73,079.40 = 15,887.60/x
  3. Step 3: Cross multiply
    48,719.60x = 73,079.40 × 15,887.60
  4. Step 4: Simplify right side
    48,719.60x = 1,161,056,275.44
  5. Step 5: Solve for x
    x = 1,161,056,275.44/48,719.60
  6. Step 6: Final answer
    x = 23,831.40

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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.