Home / 37,885.95-56,777.49-20,112.12

Finding the Fourth Proportional to 37,885.95, 56,777.49 and 20,112.12

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Solution

The fourth proportional to 37,885.95, 56,777.49 and 20,112.12 is: 30,140.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,885.95 : 56,777.49 = 20,112.12 : x
  2. Step 2: Convert to fraction form
    37,885.95/56,777.49 = 20,112.12/x
  3. Step 3: Cross multiply
    37,885.95x = 56,777.49 × 20,112.12
  4. Step 4: Simplify right side
    37,885.95x = 1,141,915,692.18
  5. Step 5: Solve for x
    x = 1,141,915,692.18/37,885.95
  6. Step 6: Final answer
    x = 30,140.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.