Home / 30,145.92-41,604-17,570.40

Finding the Fourth Proportional to 30,145.92, 41,604 and 17,570.40

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Solution

The fourth proportional to 30,145.92, 41,604 and 17,570.40 is: 24,248.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,145.92 : 41,604 = 17,570.40 : x
  2. Step 2: Convert to fraction form
    30,145.92/41,604 = 17,570.40/x
  3. Step 3: Cross multiply
    30,145.92x = 41,604 × 17,570.40
  4. Step 4: Simplify right side
    30,145.92x = 730,998,921.60
  5. Step 5: Solve for x
    x = 730,998,921.60/30,145.92
  6. Step 6: Final answer
    x = 24,248.69

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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.