Home / 19,930.54-29,840.45-10,039.83

Finding the Fourth Proportional to 19,930.54, 29,840.45 and 10,039.83

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Solution

The fourth proportional to 19,930.54, 29,840.45 and 10,039.83 is: 15,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.54 : 29,840.45 = 10,039.83 : x
  2. Step 2: Convert to fraction form
    19,930.54/29,840.45 = 10,039.83/x
  3. Step 3: Cross multiply
    19,930.54x = 29,840.45 × 10,039.83
  4. Step 4: Simplify right side
    19,930.54x = 299,592,994.92
  5. Step 5: Solve for x
    x = 299,592,994.92/19,930.54
  6. Step 6: Final answer
    x = 15,031.86

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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.