Home / 37,310.95-51,487.39-20,315.14

Finding the Fourth Proportional to 37,310.95, 51,487.39 and 20,315.14

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Solution

The fourth proportional to 37,310.95, 51,487.39 and 20,315.14 is: 28,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,310.95 : 51,487.39 = 20,315.14 : x
  2. Step 2: Convert to fraction form
    37,310.95/51,487.39 = 20,315.14/x
  3. Step 3: Cross multiply
    37,310.95x = 51,487.39 × 20,315.14
  4. Step 4: Simplify right side
    37,310.95x = 1,045,973,536.08
  5. Step 5: Solve for x
    x = 1,045,973,536.08/37,310.95
  6. Step 6: Final answer
    x = 28,033.96

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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.