Home / 33,307.11-45,943.70-21,972.58

Finding the Fourth Proportional to 33,307.11, 45,943.70 and 21,972.58

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Solution

The fourth proportional to 33,307.11, 45,943.70 and 21,972.58 is: 30,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,307.11 : 45,943.70 = 21,972.58 : x
  2. Step 2: Convert to fraction form
    33,307.11/45,943.70 = 21,972.58/x
  3. Step 3: Cross multiply
    33,307.11x = 45,943.70 × 21,972.58
  4. Step 4: Simplify right side
    33,307.11x = 1,009,501,623.75
  5. Step 5: Solve for x
    x = 1,009,501,623.75/33,307.11
  6. Step 6: Final answer
    x = 30,308.89

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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.