Home / 33,057.34-45,607.73-21,127.66

Finding the Fourth Proportional to 33,057.34, 45,607.73 and 21,127.66

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Solution

The fourth proportional to 33,057.34, 45,607.73 and 21,127.66 is: 29,148.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,057.34 : 45,607.73 = 21,127.66 : x
  2. Step 2: Convert to fraction form
    33,057.34/45,607.73 = 21,127.66/x
  3. Step 3: Cross multiply
    33,057.34x = 45,607.73 × 21,127.66
  4. Step 4: Simplify right side
    33,057.34x = 963,584,393.15
  5. Step 5: Solve for x
    x = 963,584,393.15/33,057.34
  6. Step 6: Final answer
    x = 29,148.88

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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.