Home / 31,987.08-47,980.56-17,202.96

Finding the Fourth Proportional to 31,987.08, 47,980.56 and 17,202.96

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Solution

The fourth proportional to 31,987.08, 47,980.56 and 17,202.96 is: 25,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,987.08 : 47,980.56 = 17,202.96 : x
  2. Step 2: Convert to fraction form
    31,987.08/47,980.56 = 17,202.96/x
  3. Step 3: Cross multiply
    31,987.08x = 47,980.56 × 17,202.96
  4. Step 4: Simplify right side
    31,987.08x = 825,407,654.46
  5. Step 5: Solve for x
    x = 825,407,654.46/31,987.08
  6. Step 6: Final answer
    x = 25,804.41

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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.