Home / 42,209.84-63,296.32-20,029.56

Finding the Fourth Proportional to 42,209.84, 63,296.32 and 20,029.56

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Solution

The fourth proportional to 42,209.84, 63,296.32 and 20,029.56 is: 30,035.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,209.84 : 63,296.32 = 20,029.56 : x
  2. Step 2: Convert to fraction form
    42,209.84/63,296.32 = 20,029.56/x
  3. Step 3: Cross multiply
    42,209.84x = 63,296.32 × 20,029.56
  4. Step 4: Simplify right side
    42,209.84x = 1,267,797,439.22
  5. Step 5: Solve for x
    x = 1,267,797,439.22/42,209.84
  6. Step 6: Final answer
    x = 30,035.59

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1.5x scale

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.