Home / 38,156.32-52,658.37-21,162.11

Finding the Fourth Proportional to 38,156.32, 52,658.37 and 21,162.11

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Solution

The fourth proportional to 38,156.32, 52,658.37 and 21,162.11 is: 29,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,156.32 : 52,658.37 = 21,162.11 : x
  2. Step 2: Convert to fraction form
    38,156.32/52,658.37 = 21,162.11/x
  3. Step 3: Cross multiply
    38,156.32x = 52,658.37 × 21,162.11
  4. Step 4: Simplify right side
    38,156.32x = 1,114,362,218.36
  5. Step 5: Solve for x
    x = 1,114,362,218.36/38,156.32
  6. Step 6: Final answer
    x = 29,205.18

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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.