Home / 38,352.21-52,923.83-21,355.17

Finding the Fourth Proportional to 38,352.21, 52,923.83 and 21,355.17

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Solution

The fourth proportional to 38,352.21, 52,923.83 and 21,355.17 is: 29,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,352.21 : 52,923.83 = 21,355.17 : x
  2. Step 2: Convert to fraction form
    38,352.21/52,923.83 = 21,355.17/x
  3. Step 3: Cross multiply
    38,352.21x = 52,923.83 × 21,355.17
  4. Step 4: Simplify right side
    38,352.21x = 1,130,197,279.93
  5. Step 5: Solve for x
    x = 1,130,197,279.93/38,352.21
  6. Step 6: Final answer
    x = 29,468.90

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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.