Home / 37,912.89-56,839.35-18,927.78

Finding the Fourth Proportional to 37,912.89, 56,839.35 and 18,927.78

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Solution

The fourth proportional to 37,912.89, 56,839.35 and 18,927.78 is: 28,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,912.89 : 56,839.35 = 18,927.78 : x
  2. Step 2: Convert to fraction form
    37,912.89/56,839.35 = 18,927.78/x
  3. Step 3: Cross multiply
    37,912.89x = 56,839.35 × 18,927.78
  4. Step 4: Simplify right side
    37,912.89x = 1,075,842,712.14
  5. Step 5: Solve for x
    x = 1,075,842,712.14/37,912.89
  6. Step 6: Final answer
    x = 28,376.70

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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.