Home / 33,099.48-45,673.56-18,955.08

Finding the Fourth Proportional to 33,099.48, 45,673.56 and 18,955.08

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Solution

The fourth proportional to 33,099.48, 45,673.56 and 18,955.08 is: 26,155.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,099.48 : 45,673.56 = 18,955.08 : x
  2. Step 2: Convert to fraction form
    33,099.48/45,673.56 = 18,955.08/x
  3. Step 3: Cross multiply
    33,099.48x = 45,673.56 × 18,955.08
  4. Step 4: Simplify right side
    33,099.48x = 865,745,983.68
  5. Step 5: Solve for x
    x = 865,745,983.68/33,099.48
  6. Step 6: Final answer
    x = 26,155.88

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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.