Home / 37,142.68-51,256.74-20,375.32

Finding the Fourth Proportional to 37,142.68, 51,256.74 and 20,375.32

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Solution

The fourth proportional to 37,142.68, 51,256.74 and 20,375.32 is: 28,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,142.68 : 51,256.74 = 20,375.32 : x
  2. Step 2: Convert to fraction form
    37,142.68/51,256.74 = 20,375.32/x
  3. Step 3: Cross multiply
    37,142.68x = 51,256.74 × 20,375.32
  4. Step 4: Simplify right side
    37,142.68x = 1,044,372,479.66
  5. Step 5: Solve for x
    x = 1,044,372,479.66/37,142.68
  6. Step 6: Final answer
    x = 28,117.85

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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.