Home / 33,011.73-45,575.91-21,700.14

Finding the Fourth Proportional to 33,011.73, 45,575.91 and 21,700.14

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Solution

The fourth proportional to 33,011.73, 45,575.91 and 21,700.14 is: 29,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,011.73 : 45,575.91 = 21,700.14 : x
  2. Step 2: Convert to fraction form
    33,011.73/45,575.91 = 21,700.14/x
  3. Step 3: Cross multiply
    33,011.73x = 45,575.91 × 21,700.14
  4. Step 4: Simplify right side
    33,011.73x = 989,003,627.63
  5. Step 5: Solve for x
    x = 989,003,627.63/33,011.73
  6. Step 6: Final answer
    x = 29,959.16

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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.