Home / 48,130.56-72,208.16-18,540.46

Finding the Fourth Proportional to 48,130.56, 72,208.16 and 18,540.46

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Solution

The fourth proportional to 48,130.56, 72,208.16 and 18,540.46 is: 27,815.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,130.56 : 72,208.16 = 18,540.46 : x
  2. Step 2: Convert to fraction form
    48,130.56/72,208.16 = 18,540.46/x
  3. Step 3: Cross multiply
    48,130.56x = 72,208.16 × 18,540.46
  4. Step 4: Simplify right side
    48,130.56x = 1,338,772,502.15
  5. Step 5: Solve for x
    x = 1,338,772,502.15/48,130.56
  6. Step 6: Final answer
    x = 27,815.44

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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.