Home / 37,919.88-52,331.05-21,152.88

Finding the Fourth Proportional to 37,919.88, 52,331.05 and 21,152.88

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Solution

The fourth proportional to 37,919.88, 52,331.05 and 21,152.88 is: 29,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,919.88 : 52,331.05 = 21,152.88 : x
  2. Step 2: Convert to fraction form
    37,919.88/52,331.05 = 21,152.88/x
  3. Step 3: Cross multiply
    37,919.88x = 52,331.05 × 21,152.88
  4. Step 4: Simplify right side
    37,919.88x = 1,106,952,420.92
  5. Step 5: Solve for x
    x = 1,106,952,420.92/37,919.88
  6. Step 6: Final answer
    x = 29,191.88

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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.