Home / 38,388.17-52,974.81-21,392.33

Finding the Fourth Proportional to 38,388.17, 52,974.81 and 21,392.33

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Solution

The fourth proportional to 38,388.17, 52,974.81 and 21,392.33 is: 29,520.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388.17 : 52,974.81 = 21,392.33 : x
  2. Step 2: Convert to fraction form
    38,388.17/52,974.81 = 21,392.33/x
  3. Step 3: Cross multiply
    38,388.17x = 52,974.81 × 21,392.33
  4. Step 4: Simplify right side
    38,388.17x = 1,133,254,617.21
  5. Step 5: Solve for x
    x = 1,133,254,617.21/38,388.17
  6. Step 6: Final answer
    x = 29,520.93

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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.