Home / 33,007.91-45,577.08-30,489.08

Finding the Fourth Proportional to 33,007.91, 45,577.08 and 30,489.08

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Solution

The fourth proportional to 33,007.91, 45,577.08 and 30,489.08 is: 42,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,007.91 : 45,577.08 = 30,489.08 : x
  2. Step 2: Convert to fraction form
    33,007.91/45,577.08 = 30,489.08/x
  3. Step 3: Cross multiply
    33,007.91x = 45,577.08 × 30,489.08
  4. Step 4: Simplify right side
    33,007.91x = 1,389,603,010.40
  5. Step 5: Solve for x
    x = 1,389,603,010.40/33,007.91
  6. Step 6: Final answer
    x = 42,099.10

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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.