Home / 33,399.17-46,122.08-21,483.20

Finding the Fourth Proportional to 33,399.17, 46,122.08 and 21,483.20

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Solution

The fourth proportional to 33,399.17, 46,122.08 and 21,483.20 is: 29,666.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,399.17 : 46,122.08 = 21,483.20 : x
  2. Step 2: Convert to fraction form
    33,399.17/46,122.08 = 21,483.20/x
  3. Step 3: Cross multiply
    33,399.17x = 46,122.08 × 21,483.20
  4. Step 4: Simplify right side
    33,399.17x = 990,849,531.03
  5. Step 5: Solve for x
    x = 990,849,531.03/33,399.17
  6. Step 6: Final answer
    x = 29,666.89

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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.