Home / 48,207.05-66,517.81-30,289.36

Finding the Fourth Proportional to 48,207.05, 66,517.81 and 30,289.36

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Solution

The fourth proportional to 48,207.05, 66,517.81 and 30,289.36 is: 41,794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,207.05 : 66,517.81 = 30,289.36 : x
  2. Step 2: Convert to fraction form
    48,207.05/66,517.81 = 30,289.36/x
  3. Step 3: Cross multiply
    48,207.05x = 66,517.81 × 30,289.36
  4. Step 4: Simplify right side
    48,207.05x = 2,014,781,776.20
  5. Step 5: Solve for x
    x = 2,014,781,776.20/48,207.05
  6. Step 6: Final answer
    x = 41,794.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.