Home / 48,979.12-73,447.62-15,688.12

Finding the Fourth Proportional to 48,979.12, 73,447.62 and 15,688.12

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Solution

The fourth proportional to 48,979.12, 73,447.62 and 15,688.12 is: 23,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,979.12 : 73,447.62 = 15,688.12 : x
  2. Step 2: Convert to fraction form
    48,979.12/73,447.62 = 15,688.12/x
  3. Step 3: Cross multiply
    48,979.12x = 73,447.62 × 15,688.12
  4. Step 4: Simplify right side
    48,979.12x = 1,152,255,076.27
  5. Step 5: Solve for x
    x = 1,152,255,076.27/48,979.12
  6. Step 6: Final answer
    x = 23,525.43

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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.