Home / 37,151.60-51,268.78-20,384.60

Finding the Fourth Proportional to 37,151.60, 51,268.78 and 20,384.60

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Solution

The fourth proportional to 37,151.60, 51,268.78 and 20,384.60 is: 28,130.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,151.60 : 51,268.78 = 20,384.60 : x
  2. Step 2: Convert to fraction form
    37,151.60/51,268.78 = 20,384.60/x
  3. Step 3: Cross multiply
    37,151.60x = 51,268.78 × 20,384.60
  4. Step 4: Simplify right side
    37,151.60x = 1,045,093,572.79
  5. Step 5: Solve for x
    x = 1,045,093,572.79/37,151.60
  6. Step 6: Final answer
    x = 28,130.51

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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.