Home / 35,523.20-48,991.92-21,373.40

Finding the Fourth Proportional to 35,523.20, 48,991.92 and 21,373.40

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Solution

The fourth proportional to 35,523.20, 48,991.92 and 21,373.40 is: 29,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,523.20 : 48,991.92 = 21,373.40 : x
  2. Step 2: Convert to fraction form
    35,523.20/48,991.92 = 21,373.40/x
  3. Step 3: Cross multiply
    35,523.20x = 48,991.92 × 21,373.40
  4. Step 4: Simplify right side
    35,523.20x = 1,047,123,902.93
  5. Step 5: Solve for x
    x = 1,047,123,902.93/35,523.20
  6. Step 6: Final answer
    x = 29,477.18

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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.