Home / 47,980.05-66,191.06-27,825.25

Finding the Fourth Proportional to 47,980.05, 66,191.06 and 27,825.25

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Solution

The fourth proportional to 47,980.05, 66,191.06 and 27,825.25 is: 38,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,980.05 : 66,191.06 = 27,825.25 : x
  2. Step 2: Convert to fraction form
    47,980.05/66,191.06 = 27,825.25/x
  3. Step 3: Cross multiply
    47,980.05x = 66,191.06 × 27,825.25
  4. Step 4: Simplify right side
    47,980.05x = 1,841,782,487.66
  5. Step 5: Solve for x
    x = 1,841,782,487.66/47,980.05
  6. Step 6: Final answer
    x = 38,386.42

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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.