Home / 37,140.56-51,254.60-20,375.12

Finding the Fourth Proportional to 37,140.56, 51,254.60 and 20,375.12

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Solution

The fourth proportional to 37,140.56, 51,254.60 and 20,375.12 is: 28,118.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.56 : 51,254.60 = 20,375.12 : x
  2. Step 2: Convert to fraction form
    37,140.56/51,254.60 = 20,375.12/x
  3. Step 3: Cross multiply
    37,140.56x = 51,254.60 × 20,375.12
  4. Step 4: Simplify right side
    37,140.56x = 1,044,318,625.55
  5. Step 5: Solve for x
    x = 1,044,318,625.55/37,140.56
  6. Step 6: Final answer
    x = 28,118.01

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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.