Home / 38,524.87-53,164.16-21,529.11

Finding the Fourth Proportional to 38,524.87, 53,164.16 and 21,529.11

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Solution

The fourth proportional to 38,524.87, 53,164.16 and 21,529.11 is: 29,710.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,524.87 : 53,164.16 = 21,529.11 : x
  2. Step 2: Convert to fraction form
    38,524.87/53,164.16 = 21,529.11/x
  3. Step 3: Cross multiply
    38,524.87x = 53,164.16 × 21,529.11
  4. Step 4: Simplify right side
    38,524.87x = 1,144,577,102.52
  5. Step 5: Solve for x
    x = 1,144,577,102.52/38,524.87
  6. Step 6: Final answer
    x = 29,710.09

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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.