Home / 19,989.42-29,984.10-5,949.41

Finding the Fourth Proportional to 19,989.42, 29,984.10 and 5,949.41

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Solution

The fourth proportional to 19,989.42, 29,984.10 and 5,949.41 is: 8,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989.42 : 29,984.10 = 5,949.41 : x
  2. Step 2: Convert to fraction form
    19,989.42/29,984.10 = 5,949.41/x
  3. Step 3: Cross multiply
    19,989.42x = 29,984.10 × 5,949.41
  4. Step 4: Simplify right side
    19,989.42x = 178,387,554.46
  5. Step 5: Solve for x
    x = 178,387,554.46/19,989.42
  6. Step 6: Final answer
    x = 8,924.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.