Home / 37,809.68-52,174.31-21,895.16

Finding the Fourth Proportional to 37,809.68, 52,174.31 and 21,895.16

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Solution

The fourth proportional to 37,809.68, 52,174.31 and 21,895.16 is: 30,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,809.68 : 52,174.31 = 21,895.16 : x
  2. Step 2: Convert to fraction form
    37,809.68/52,174.31 = 21,895.16/x
  3. Step 3: Cross multiply
    37,809.68x = 52,174.31 × 21,895.16
  4. Step 4: Simplify right side
    37,809.68x = 1,142,364,494.99
  5. Step 5: Solve for x
    x = 1,142,364,494.99/37,809.68
  6. Step 6: Final answer
    x = 30,213.55

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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.