Home / 33,986.88-46,892.18-20,548.40

Finding the Fourth Proportional to 33,986.88, 46,892.18 and 20,548.40

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Solution

The fourth proportional to 33,986.88, 46,892.18 and 20,548.40 is: 28,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,986.88 : 46,892.18 = 20,548.40 : x
  2. Step 2: Convert to fraction form
    33,986.88/46,892.18 = 20,548.40/x
  3. Step 3: Cross multiply
    33,986.88x = 46,892.18 × 20,548.40
  4. Step 4: Simplify right side
    33,986.88x = 963,559,088.42
  5. Step 5: Solve for x
    x = 963,559,088.42/33,986.88
  6. Step 6: Final answer
    x = 28,350.91

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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.