Home / 30,882.06-46,323.09-21,689.10

Finding the Fourth Proportional to 30,882.06, 46,323.09 and 21,689.10

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Solution

The fourth proportional to 30,882.06, 46,323.09 and 21,689.10 is: 32,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,882.06 : 46,323.09 = 21,689.10 : x
  2. Step 2: Convert to fraction form
    30,882.06/46,323.09 = 21,689.10/x
  3. Step 3: Cross multiply
    30,882.06x = 46,323.09 × 21,689.10
  4. Step 4: Simplify right side
    30,882.06x = 1,004,706,131.32
  5. Step 5: Solve for x
    x = 1,004,706,131.32/30,882.06
  6. Step 6: Final answer
    x = 32,533.65

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Similar ratio
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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.