Home / 37,179.68-51,307.32-20,412.56

Finding the Fourth Proportional to 37,179.68, 51,307.32 and 20,412.56

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Solution

The fourth proportional to 37,179.68, 51,307.32 and 20,412.56 is: 28,168.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,179.68 : 51,307.32 = 20,412.56 : x
  2. Step 2: Convert to fraction form
    37,179.68/51,307.32 = 20,412.56/x
  3. Step 3: Cross multiply
    37,179.68x = 51,307.32 × 20,412.56
  4. Step 4: Simplify right side
    37,179.68x = 1,047,313,747.94
  5. Step 5: Solve for x
    x = 1,047,313,747.94/37,179.68
  6. Step 6: Final answer
    x = 28,168.98

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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.