Home / 37,080.12-51,170.22-20,313.72

Finding the Fourth Proportional to 37,080.12, 51,170.22 and 20,313.72

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Solution

The fourth proportional to 37,080.12, 51,170.22 and 20,313.72 is: 28,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,080.12 : 51,170.22 = 20,313.72 : x
  2. Step 2: Convert to fraction form
    37,080.12/51,170.22 = 20,313.72/x
  3. Step 3: Cross multiply
    37,080.12x = 51,170.22 × 20,313.72
  4. Step 4: Simplify right side
    37,080.12x = 1,039,457,521.42
  5. Step 5: Solve for x
    x = 1,039,457,521.42/37,080.12
  6. Step 6: Final answer
    x = 28,032.74

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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.