Home / 38,338.98-52,895.58-21,568.74

Finding the Fourth Proportional to 38,338.98, 52,895.58 and 21,568.74

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Solution

The fourth proportional to 38,338.98, 52,895.58 and 21,568.74 is: 29,757.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,338.98 : 52,895.58 = 21,568.74 : x
  2. Step 2: Convert to fraction form
    38,338.98/52,895.58 = 21,568.74/x
  3. Step 3: Cross multiply
    38,338.98x = 52,895.58 × 21,568.74
  4. Step 4: Simplify right side
    38,338.98x = 1,140,891,012.17
  5. Step 5: Solve for x
    x = 1,140,891,012.17/38,338.98
  6. Step 6: Final answer
    x = 29,757.99

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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.