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Finding the Fourth Proportional to 30,152.40, 45,185.40 and 22,192.80

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Solution

The fourth proportional to 30,152.40, 45,185.40 and 22,192.80 is: 33,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,152.40 : 45,185.40 = 22,192.80 : x
  2. Step 2: Convert to fraction form
    30,152.40/45,185.40 = 22,192.80/x
  3. Step 3: Cross multiply
    30,152.40x = 45,185.40 × 22,192.80
  4. Step 4: Simplify right side
    30,152.40x = 1,002,790,545.12
  5. Step 5: Solve for x
    x = 1,002,790,545.12/30,152.40
  6. Step 6: Final answer
    x = 33,257.40

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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.