Home / 37,311.85-51,488.69-20,316.09

Finding the Fourth Proportional to 37,311.85, 51,488.69 and 20,316.09

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Solution

The fourth proportional to 37,311.85, 51,488.69 and 20,316.09 is: 28,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,311.85 : 51,488.69 = 20,316.09 : x
  2. Step 2: Convert to fraction form
    37,311.85/51,488.69 = 20,316.09/x
  3. Step 3: Cross multiply
    37,311.85x = 51,488.69 × 20,316.09
  4. Step 4: Simplify right side
    37,311.85x = 1,046,048,860.02
  5. Step 5: Solve for x
    x = 1,046,048,860.02/37,311.85
  6. Step 6: Final answer
    x = 28,035.30

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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.