Home / 33,101.64-45,679.14-18,951.75

Finding the Fourth Proportional to 33,101.64, 45,679.14 and 18,951.75

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Solution

The fourth proportional to 33,101.64, 45,679.14 and 18,951.75 is: 26,152.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,101.64 : 45,679.14 = 18,951.75 : x
  2. Step 2: Convert to fraction form
    33,101.64/45,679.14 = 18,951.75/x
  3. Step 3: Cross multiply
    33,101.64x = 45,679.14 × 18,951.75
  4. Step 4: Simplify right side
    33,101.64x = 865,699,641.50
  5. Step 5: Solve for x
    x = 865,699,641.50/33,101.64
  6. Step 6: Final answer
    x = 26,152.77

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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.