Home / 37,423.87-51,644.48-20,428.22

Finding the Fourth Proportional to 37,423.87, 51,644.48 and 20,428.22

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Solution

The fourth proportional to 37,423.87, 51,644.48 and 20,428.22 is: 28,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,423.87 : 51,644.48 = 20,428.22 : x
  2. Step 2: Convert to fraction form
    37,423.87/51,644.48 = 20,428.22/x
  3. Step 3: Cross multiply
    37,423.87x = 51,644.48 × 20,428.22
  4. Step 4: Simplify right side
    37,423.87x = 1,055,004,826.20
  5. Step 5: Solve for x
    x = 1,055,004,826.20/37,423.87
  6. Step 6: Final answer
    x = 28,190.69

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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.