Home / 33,841.90-46,686.18-21,909.10

Finding the Fourth Proportional to 33,841.90, 46,686.18 and 21,909.10

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Solution

The fourth proportional to 33,841.90, 46,686.18 and 21,909.10 is: 30,224.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,841.90 : 46,686.18 = 21,909.10 : x
  2. Step 2: Convert to fraction form
    33,841.90/46,686.18 = 21,909.10/x
  3. Step 3: Cross multiply
    33,841.90x = 46,686.18 × 21,909.10
  4. Step 4: Simplify right side
    33,841.90x = 1,022,852,186.24
  5. Step 5: Solve for x
    x = 1,022,852,186.24/33,841.90
  6. Step 6: Final answer
    x = 30,224.43

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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.