Home / 30,432.39-41,994.09-17,512.08

Finding the Fourth Proportional to 30,432.39, 41,994.09 and 17,512.08

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Solution

The fourth proportional to 30,432.39, 41,994.09 and 17,512.08 is: 24,165.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432.39 : 41,994.09 = 17,512.08 : x
  2. Step 2: Convert to fraction form
    30,432.39/41,994.09 = 17,512.08/x
  3. Step 3: Cross multiply
    30,432.39x = 41,994.09 × 17,512.08
  4. Step 4: Simplify right side
    30,432.39x = 735,403,863.61
  5. Step 5: Solve for x
    x = 735,403,863.61/30,432.39
  6. Step 6: Final answer
    x = 24,165.17

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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.