Home / 30,488.24-42,289.34-29,679.44

Finding the Fourth Proportional to 30,488.24, 42,289.34 and 29,679.44

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Solution

The fourth proportional to 30,488.24, 42,289.34 and 29,679.44 is: 41,167.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,488.24 : 42,289.34 = 29,679.44 : x
  2. Step 2: Convert to fraction form
    30,488.24/42,289.34 = 29,679.44/x
  3. Step 3: Cross multiply
    30,488.24x = 42,289.34 × 29,679.44
  4. Step 4: Simplify right side
    30,488.24x = 1,255,123,929.17
  5. Step 5: Solve for x
    x = 1,255,123,929.17/30,488.24
  6. Step 6: Final answer
    x = 41,167.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.