Home / 60,253.53-90,390.35-20,800.05

Finding the Fourth Proportional to 60,253.53, 90,390.35 and 20,800.05

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Solution

The fourth proportional to 60,253.53, 90,390.35 and 20,800.05 is: 31,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,253.53 : 90,390.35 = 20,800.05 : x
  2. Step 2: Convert to fraction form
    60,253.53/90,390.35 = 20,800.05/x
  3. Step 3: Cross multiply
    60,253.53x = 90,390.35 × 20,800.05
  4. Step 4: Simplify right side
    60,253.53x = 1,880,123,799.52
  5. Step 5: Solve for x
    x = 1,880,123,799.52/60,253.53
  6. Step 6: Final answer
    x = 31,203.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.