Home / 30,009.89-41,414.02-16,581.02

Finding the Fourth Proportional to 30,009.89, 41,414.02 and 16,581.02

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Solution

The fourth proportional to 30,009.89, 41,414.02 and 16,581.02 is: 22,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009.89 : 41,414.02 = 16,581.02 : x
  2. Step 2: Convert to fraction form
    30,009.89/41,414.02 = 16,581.02/x
  3. Step 3: Cross multiply
    30,009.89x = 41,414.02 × 16,581.02
  4. Step 4: Simplify right side
    30,009.89x = 686,686,678.33
  5. Step 5: Solve for x
    x = 686,686,678.33/30,009.89
  6. Step 6: Final answer
    x = 22,882.01

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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.