Home / 37,082.76-51,173.70-20,315.88

Finding the Fourth Proportional to 37,082.76, 51,173.70 and 20,315.88

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Solution

The fourth proportional to 37,082.76, 51,173.70 and 20,315.88 is: 28,035.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,082.76 : 51,173.70 = 20,315.88 : x
  2. Step 2: Convert to fraction form
    37,082.76/51,173.70 = 20,315.88/x
  3. Step 3: Cross multiply
    37,082.76x = 51,173.70 × 20,315.88
  4. Step 4: Simplify right side
    37,082.76x = 1,039,638,748.36
  5. Step 5: Solve for x
    x = 1,039,638,748.36/37,082.76
  6. Step 6: Final answer
    x = 28,035.64

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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.