Home / 37,638.46-56,457.62-20,770.65

Finding the Fourth Proportional to 37,638.46, 56,457.62 and 20,770.65

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Solution

The fourth proportional to 37,638.46, 56,457.62 and 20,770.65 is: 31,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,638.46 : 56,457.62 = 20,770.65 : x
  2. Step 2: Convert to fraction form
    37,638.46/56,457.62 = 20,770.65/x
  3. Step 3: Cross multiply
    37,638.46x = 56,457.62 × 20,770.65
  4. Step 4: Simplify right side
    37,638.46x = 1,172,661,438.89
  5. Step 5: Solve for x
    x = 1,172,661,438.89/37,638.46
  6. Step 6: Final answer
    x = 31,155.93

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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.