Home / 47,945.04-66,121.18-30,042.01

Finding the Fourth Proportional to 47,945.04, 66,121.18 and 30,042.01

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Solution

The fourth proportional to 47,945.04, 66,121.18 and 30,042.01 is: 41,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,945.04 : 66,121.18 = 30,042.01 : x
  2. Step 2: Convert to fraction form
    47,945.04/66,121.18 = 30,042.01/x
  3. Step 3: Cross multiply
    47,945.04x = 66,121.18 × 30,042.01
  4. Step 4: Simplify right side
    47,945.04x = 1,986,413,150.77
  5. Step 5: Solve for x
    x = 1,986,413,150.77/47,945.04
  6. Step 6: Final answer
    x = 41,431.05

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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.