Home / 48,243.19-66,608.09-30,121.50

Finding the Fourth Proportional to 48,243.19, 66,608.09 and 30,121.50

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Solution

The fourth proportional to 48,243.19, 66,608.09 and 30,121.50 is: 41,587.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,243.19 : 66,608.09 = 30,121.50 : x
  2. Step 2: Convert to fraction form
    48,243.19/66,608.09 = 30,121.50/x
  3. Step 3: Cross multiply
    48,243.19x = 66,608.09 × 30,121.50
  4. Step 4: Simplify right side
    48,243.19x = 2,006,335,582.94
  5. Step 5: Solve for x
    x = 2,006,335,582.94/48,243.19
  6. Step 6: Final answer
    x = 41,587.96

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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.