Home / 37,338.64-51,526.12-21,422.84

Finding the Fourth Proportional to 37,338.64, 51,526.12 and 21,422.84

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Solution

The fourth proportional to 37,338.64, 51,526.12 and 21,422.84 is: 29,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,338.64 : 51,526.12 = 21,422.84 : x
  2. Step 2: Convert to fraction form
    37,338.64/51,526.12 = 21,422.84/x
  3. Step 3: Cross multiply
    37,338.64x = 51,526.12 × 21,422.84
  4. Step 4: Simplify right side
    37,338.64x = 1,103,835,824.58
  5. Step 5: Solve for x
    x = 1,103,835,824.58/37,338.64
  6. Step 6: Final answer
    x = 29,562.83

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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.