Home / 45,036.66-67,569.57-21,660.06

Finding the Fourth Proportional to 45,036.66, 67,569.57 and 21,660.06

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Solution

The fourth proportional to 45,036.66, 67,569.57 and 21,660.06 is: 32,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,036.66 : 67,569.57 = 21,660.06 : x
  2. Step 2: Convert to fraction form
    45,036.66/67,569.57 = 21,660.06/x
  3. Step 3: Cross multiply
    45,036.66x = 67,569.57 × 21,660.06
  4. Step 4: Simplify right side
    45,036.66x = 1,463,560,940.37
  5. Step 5: Solve for x
    x = 1,463,560,940.37/45,036.66
  6. Step 6: Final answer
    x = 32,497.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.