Home / 29,561.04-40,778.37-19,988.37

Finding the Fourth Proportional to 29,561.04, 40,778.37 and 19,988.37

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Solution

The fourth proportional to 29,561.04, 40,778.37 and 19,988.37 is: 27,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,561.04 : 40,778.37 = 19,988.37 : x
  2. Step 2: Convert to fraction form
    29,561.04/40,778.37 = 19,988.37/x
  3. Step 3: Cross multiply
    29,561.04x = 40,778.37 × 19,988.37
  4. Step 4: Simplify right side
    29,561.04x = 815,093,147.56
  5. Step 5: Solve for x
    x = 815,093,147.56/29,561.04
  6. Step 6: Final answer
    x = 27,573.22

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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.