Home / 37,191.59-51,319.22-21,878.84

Finding the Fourth Proportional to 37,191.59, 51,319.22 and 21,878.84

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Solution

The fourth proportional to 37,191.59, 51,319.22 and 21,878.84 is: 30,189.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,191.59 : 51,319.22 = 21,878.84 : x
  2. Step 2: Convert to fraction form
    37,191.59/51,319.22 = 21,878.84/x
  3. Step 3: Cross multiply
    37,191.59x = 51,319.22 × 21,878.84
  4. Step 4: Simplify right side
    37,191.59x = 1,122,804,637.31
  5. Step 5: Solve for x
    x = 1,122,804,637.31/37,191.59
  6. Step 6: Final answer
    x = 30,189.75

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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.