Home / 29,089.33-40,139.89-16,340.81

Finding the Fourth Proportional to 29,089.33, 40,139.89 and 16,340.81

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Solution

The fourth proportional to 29,089.33, 40,139.89 and 16,340.81 is: 22,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,089.33 : 40,139.89 = 16,340.81 : x
  2. Step 2: Convert to fraction form
    29,089.33/40,139.89 = 16,340.81/x
  3. Step 3: Cross multiply
    29,089.33x = 40,139.89 × 16,340.81
  4. Step 4: Simplify right side
    29,089.33x = 655,918,074.36
  5. Step 5: Solve for x
    x = 655,918,074.36/29,089.33
  6. Step 6: Final answer
    x = 22,548.41

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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.