Home / 34,090.80-47,052.24-19,947.12

Finding the Fourth Proportional to 34,090.80, 47,052.24 and 19,947.12

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Solution

The fourth proportional to 34,090.80, 47,052.24 and 19,947.12 is: 27,531.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,090.80 : 47,052.24 = 19,947.12 : x
  2. Step 2: Convert to fraction form
    34,090.80/47,052.24 = 19,947.12/x
  3. Step 3: Cross multiply
    34,090.80x = 47,052.24 × 19,947.12
  4. Step 4: Simplify right side
    34,090.80x = 938,556,677.55
  5. Step 5: Solve for x
    x = 938,556,677.55/34,090.80
  6. Step 6: Final answer
    x = 27,531.08

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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.