Home / 47,785.40-71,669.70-18,205.01

Finding the Fourth Proportional to 47,785.40, 71,669.70 and 18,205.01

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Solution

The fourth proportional to 47,785.40, 71,669.70 and 18,205.01 is: 27,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,785.40 : 71,669.70 = 18,205.01 : x
  2. Step 2: Convert to fraction form
    47,785.40/71,669.70 = 18,205.01/x
  3. Step 3: Cross multiply
    47,785.40x = 71,669.70 × 18,205.01
  4. Step 4: Simplify right side
    47,785.40x = 1,304,747,605.20
  5. Step 5: Solve for x
    x = 1,304,747,605.20/47,785.40
  6. Step 6: Final answer
    x = 27,304.31

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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.