Home / 33,127.31-45,730.62-21,802.75

Finding the Fourth Proportional to 33,127.31, 45,730.62 and 21,802.75

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Solution

The fourth proportional to 33,127.31, 45,730.62 and 21,802.75 is: 30,097.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,127.31 : 45,730.62 = 21,802.75 : x
  2. Step 2: Convert to fraction form
    33,127.31/45,730.62 = 21,802.75/x
  3. Step 3: Cross multiply
    33,127.31x = 45,730.62 × 21,802.75
  4. Step 4: Simplify right side
    33,127.31x = 997,053,166.19
  5. Step 5: Solve for x
    x = 997,053,166.19/33,127.31
  6. Step 6: Final answer
    x = 30,097.62

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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.