Home / 38,816.99-53,569.55-21,591.18

Finding the Fourth Proportional to 38,816.99, 53,569.55 and 21,591.18

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Solution

The fourth proportional to 38,816.99, 53,569.55 and 21,591.18 is: 29,796.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,816.99 : 53,569.55 = 21,591.18 : x
  2. Step 2: Convert to fraction form
    38,816.99/53,569.55 = 21,591.18/x
  3. Step 3: Cross multiply
    38,816.99x = 53,569.55 × 21,591.18
  4. Step 4: Simplify right side
    38,816.99x = 1,156,629,623.18
  5. Step 5: Solve for x
    x = 1,156,629,623.18/38,816.99
  6. Step 6: Final answer
    x = 29,796.99

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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.