Home / 42,551.55-63,799.92-20,364.39

Finding the Fourth Proportional to 42,551.55, 63,799.92 and 20,364.39

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Solution

The fourth proportional to 42,551.55, 63,799.92 and 20,364.39 is: 30,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,551.55 : 63,799.92 = 20,364.39 : x
  2. Step 2: Convert to fraction form
    42,551.55/63,799.92 = 20,364.39/x
  3. Step 3: Cross multiply
    42,551.55x = 63,799.92 × 20,364.39
  4. Step 4: Simplify right side
    42,551.55x = 1,299,246,452.85
  5. Step 5: Solve for x
    x = 1,299,246,452.85/42,551.55
  6. Step 6: Final answer
    x = 30,533.47

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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.