Home / 37,311.46-51,488.08-20,315.65

Finding the Fourth Proportional to 37,311.46, 51,488.08 and 20,315.65

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Solution

The fourth proportional to 37,311.46, 51,488.08 and 20,315.65 is: 28,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,311.46 : 51,488.08 = 20,315.65 : x
  2. Step 2: Convert to fraction form
    37,311.46/51,488.08 = 20,315.65/x
  3. Step 3: Cross multiply
    37,311.46x = 51,488.08 × 20,315.65
  4. Step 4: Simplify right side
    37,311.46x = 1,046,013,812.45
  5. Step 5: Solve for x
    x = 1,046,013,812.45/37,311.46
  6. Step 6: Final answer
    x = 28,034.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.