Home / 30,276.80-41,781.32-17,530.52

Finding the Fourth Proportional to 30,276.80, 41,781.32 and 17,530.52

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Solution

The fourth proportional to 30,276.80, 41,781.32 and 17,530.52 is: 24,191.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.80 : 41,781.32 = 17,530.52 : x
  2. Step 2: Convert to fraction form
    30,276.80/41,781.32 = 17,530.52/x
  3. Step 3: Cross multiply
    30,276.80x = 41,781.32 × 17,530.52
  4. Step 4: Simplify right side
    30,276.80x = 732,448,265.89
  5. Step 5: Solve for x
    x = 732,448,265.89/30,276.80
  6. Step 6: Final answer
    x = 24,191.73

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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.