Home / 33,422.57-46,118.77-19,988.93

Finding the Fourth Proportional to 33,422.57, 46,118.77 and 19,988.93

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Solution

The fourth proportional to 33,422.57, 46,118.77 and 19,988.93 is: 27,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,422.57 : 46,118.77 = 19,988.93 : x
  2. Step 2: Convert to fraction form
    33,422.57/46,118.77 = 19,988.93/x
  3. Step 3: Cross multiply
    33,422.57x = 46,118.77 × 19,988.93
  4. Step 4: Simplify right side
    33,422.57x = 921,864,671.12
  5. Step 5: Solve for x
    x = 921,864,671.12/33,422.57
  6. Step 6: Final answer
    x = 27,582.10

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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.