Home / 37,870.11-56,805.21-20,450.70

Finding the Fourth Proportional to 37,870.11, 56,805.21 and 20,450.70

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Solution

The fourth proportional to 37,870.11, 56,805.21 and 20,450.70 is: 30,676.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,870.11 : 56,805.21 = 20,450.70 : x
  2. Step 2: Convert to fraction form
    37,870.11/56,805.21 = 20,450.70/x
  3. Step 3: Cross multiply
    37,870.11x = 56,805.21 × 20,450.70
  4. Step 4: Simplify right side
    37,870.11x = 1,161,706,308.15
  5. Step 5: Solve for x
    x = 1,161,706,308.15/37,870.11
  6. Step 6: Final answer
    x = 30,676.07

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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.