Home / 47,918.40-66,127.23-27,779.37

Finding the Fourth Proportional to 47,918.40, 66,127.23 and 27,779.37

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Solution

The fourth proportional to 47,918.40, 66,127.23 and 27,779.37 is: 38,335.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,918.40 : 66,127.23 = 27,779.37 : x
  2. Step 2: Convert to fraction form
    47,918.40/66,127.23 = 27,779.37/x
  3. Step 3: Cross multiply
    47,918.40x = 66,127.23 × 27,779.37
  4. Step 4: Simplify right side
    47,918.40x = 1,836,972,789.25
  5. Step 5: Solve for x
    x = 1,836,972,789.25/47,918.40
  6. Step 6: Final answer
    x = 38,335.44

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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.