Home / 47,987.97-66,231.90-30,098.31

Finding the Fourth Proportional to 47,987.97, 66,231.90 and 30,098.31

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Solution

The fourth proportional to 47,987.97, 66,231.90 and 30,098.31 is: 41,541.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,987.97 : 66,231.90 = 30,098.31 : x
  2. Step 2: Convert to fraction form
    47,987.97/66,231.90 = 30,098.31/x
  3. Step 3: Cross multiply
    47,987.97x = 66,231.90 × 30,098.31
  4. Step 4: Simplify right side
    47,987.97x = 1,993,468,258.09
  5. Step 5: Solve for x
    x = 1,993,468,258.09/47,987.97
  6. Step 6: Final answer
    x = 41,541.00

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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.