Home / 38,182.64-52,692.32-21,186.95

Finding the Fourth Proportional to 38,182.64, 52,692.32 and 21,186.95

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Solution

The fourth proportional to 38,182.64, 52,692.32 and 21,186.95 is: 29,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,182.64 : 52,692.32 = 21,186.95 : x
  2. Step 2: Convert to fraction form
    38,182.64/52,692.32 = 21,186.95/x
  3. Step 3: Cross multiply
    38,182.64x = 52,692.32 × 21,186.95
  4. Step 4: Simplify right side
    38,182.64x = 1,116,389,338.73
  5. Step 5: Solve for x
    x = 1,116,389,338.73/38,182.64
  6. Step 6: Final answer
    x = 29,238.14

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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.