Home / 30,885.19-46,320.05-11,906.03

Finding the Fourth Proportional to 30,885.19, 46,320.05 and 11,906.03

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Solution

The fourth proportional to 30,885.19, 46,320.05 and 11,906.03 is: 17,856.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885.19 : 46,320.05 = 11,906.03 : x
  2. Step 2: Convert to fraction form
    30,885.19/46,320.05 = 11,906.03/x
  3. Step 3: Cross multiply
    30,885.19x = 46,320.05 × 11,906.03
  4. Step 4: Simplify right side
    30,885.19x = 551,488,050.47
  5. Step 5: Solve for x
    x = 551,488,050.47/30,885.19
  6. Step 6: Final answer
    x = 17,856.07

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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.