Home / 37,143.76-51,258.08-20,147.84

Finding the Fourth Proportional to 37,143.76, 51,258.08 and 20,147.84

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Solution

The fourth proportional to 37,143.76, 51,258.08 and 20,147.84 is: 27,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,143.76 : 51,258.08 = 20,147.84 : x
  2. Step 2: Convert to fraction form
    37,143.76/51,258.08 = 20,147.84/x
  3. Step 3: Cross multiply
    37,143.76x = 51,258.08 × 20,147.84
  4. Step 4: Simplify right side
    37,143.76x = 1,032,739,594.55
  5. Step 5: Solve for x
    x = 1,032,739,594.55/37,143.76
  6. Step 6: Final answer
    x = 27,803.85

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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.