Home / 37,387.82-56,091.81-12,431.90

Finding the Fourth Proportional to 37,387.82, 56,091.81 and 12,431.90

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Solution

The fourth proportional to 37,387.82, 56,091.81 and 12,431.90 is: 18,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,387.82 : 56,091.81 = 12,431.90 : x
  2. Step 2: Convert to fraction form
    37,387.82/56,091.81 = 12,431.90/x
  3. Step 3: Cross multiply
    37,387.82x = 56,091.81 × 12,431.90
  4. Step 4: Simplify right side
    37,387.82x = 697,327,772.74
  5. Step 5: Solve for x
    x = 697,327,772.74/37,387.82
  6. Step 6: Final answer
    x = 18,651.20

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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.