Home / 48,142.36-72,182.78-23,132.64

Finding the Fourth Proportional to 48,142.36, 72,182.78 and 23,132.64

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Solution

The fourth proportional to 48,142.36, 72,182.78 and 23,132.64 is: 34,684.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,142.36 : 72,182.78 = 23,132.64 : x
  2. Step 2: Convert to fraction form
    48,142.36/72,182.78 = 23,132.64/x
  3. Step 3: Cross multiply
    48,142.36x = 72,182.78 × 23,132.64
  4. Step 4: Simplify right side
    48,142.36x = 1,669,778,263.94
  5. Step 5: Solve for x
    x = 1,669,778,263.94/48,142.36
  6. Step 6: Final answer
    x = 34,684.18

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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.