Home / 30,015.92-41,420.76-17,439.68

Finding the Fourth Proportional to 30,015.92, 41,420.76 and 17,439.68

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Solution

The fourth proportional to 30,015.92, 41,420.76 and 17,439.68 is: 24,066.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,015.92 : 41,420.76 = 17,439.68 : x
  2. Step 2: Convert to fraction form
    30,015.92/41,420.76 = 17,439.68/x
  3. Step 3: Cross multiply
    30,015.92x = 41,420.76 × 17,439.68
  4. Step 4: Simplify right side
    30,015.92x = 722,364,799.76
  5. Step 5: Solve for x
    x = 722,364,799.76/30,015.92
  6. Step 6: Final answer
    x = 24,066.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.