Home / 19,429.38-29,101.95-12,035.70

Finding the Fourth Proportional to 19,429.38, 29,101.95 and 12,035.70

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Solution

The fourth proportional to 19,429.38, 29,101.95 and 12,035.70 is: 18,027.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429.38 : 29,101.95 = 12,035.70 : x
  2. Step 2: Convert to fraction form
    19,429.38/29,101.95 = 12,035.70/x
  3. Step 3: Cross multiply
    19,429.38x = 29,101.95 × 12,035.70
  4. Step 4: Simplify right side
    19,429.38x = 350,262,339.62
  5. Step 5: Solve for x
    x = 350,262,339.62/19,429.38
  6. Step 6: Final answer
    x = 18,027.46

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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.