Home / 29,988.01-41,384.69-18,664.21

Finding the Fourth Proportional to 29,988.01, 41,384.69 and 18,664.21

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Solution

The fourth proportional to 29,988.01, 41,384.69 and 18,664.21 is: 25,757.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,988.01 : 41,384.69 = 18,664.21 : x
  2. Step 2: Convert to fraction form
    29,988.01/41,384.69 = 18,664.21/x
  3. Step 3: Cross multiply
    29,988.01x = 41,384.69 × 18,664.21
  4. Step 4: Simplify right side
    29,988.01x = 772,412,451.62
  5. Step 5: Solve for x
    x = 772,412,451.62/29,988.01
  6. Step 6: Final answer
    x = 25,757.38

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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.