Home / 30,276.60-41,781.04-17,530.32

Finding the Fourth Proportional to 30,276.60, 41,781.04 and 17,530.32

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Solution

The fourth proportional to 30,276.60, 41,781.04 and 17,530.32 is: 24,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.60 : 41,781.04 = 17,530.32 : x
  2. Step 2: Convert to fraction form
    30,276.60/41,781.04 = 17,530.32/x
  3. Step 3: Cross multiply
    30,276.60x = 41,781.04 × 17,530.32
  4. Step 4: Simplify right side
    30,276.60x = 732,435,001.13
  5. Step 5: Solve for x
    x = 732,435,001.13/30,276.60
  6. Step 6: Final answer
    x = 24,191.45

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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.