Home / 29,539.28-40,770.79-18,782.08

Finding the Fourth Proportional to 29,539.28, 40,770.79 and 18,782.08

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Solution

The fourth proportional to 29,539.28, 40,770.79 and 18,782.08 is: 25,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,539.28 : 40,770.79 = 18,782.08 : x
  2. Step 2: Convert to fraction form
    29,539.28/40,770.79 = 18,782.08/x
  3. Step 3: Cross multiply
    29,539.28x = 40,770.79 × 18,782.08
  4. Step 4: Simplify right side
    29,539.28x = 765,760,196.21
  5. Step 5: Solve for x
    x = 765,760,196.21/29,539.28
  6. Step 6: Final answer
    x = 25,923.45

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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.