Home / 33,017.49-45,513.77-20,247.03

Finding the Fourth Proportional to 33,017.49, 45,513.77 and 20,247.03

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Solution

The fourth proportional to 33,017.49, 45,513.77 and 20,247.03 is: 27,910.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,017.49 : 45,513.77 = 20,247.03 : x
  2. Step 2: Convert to fraction form
    33,017.49/45,513.77 = 20,247.03/x
  3. Step 3: Cross multiply
    33,017.49x = 45,513.77 × 20,247.03
  4. Step 4: Simplify right side
    33,017.49x = 921,518,565.37
  5. Step 5: Solve for x
    x = 921,518,565.37/33,017.49
  6. Step 6: Final answer
    x = 27,910.01

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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.