Home / 33,009.91-45,579.84-30,491.08

Finding the Fourth Proportional to 33,009.91, 45,579.84 and 30,491.08

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Solution

The fourth proportional to 33,009.91, 45,579.84 and 30,491.08 is: 42,101.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,009.91 : 45,579.84 = 30,491.08 : x
  2. Step 2: Convert to fraction form
    33,009.91/45,579.84 = 30,491.08/x
  3. Step 3: Cross multiply
    33,009.91x = 45,579.84 × 30,491.08
  4. Step 4: Simplify right side
    33,009.91x = 1,389,778,547.83
  5. Step 5: Solve for x
    x = 1,389,778,547.83/33,009.91
  6. Step 6: Final answer
    x = 42,101.86

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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.