Home / 33,016.92-45,565.02-21,070.68

Finding the Fourth Proportional to 33,016.92, 45,565.02 and 21,070.68

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Solution

The fourth proportional to 33,016.92, 45,565.02 and 21,070.68 is: 29,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,016.92 : 45,565.02 = 21,070.68 : x
  2. Step 2: Convert to fraction form
    33,016.92/45,565.02 = 21,070.68/x
  3. Step 3: Cross multiply
    33,016.92x = 45,565.02 × 21,070.68
  4. Step 4: Simplify right side
    33,016.92x = 960,085,955.61
  5. Step 5: Solve for x
    x = 960,085,955.61/33,016.92
  6. Step 6: Final answer
    x = 29,078.60

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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.