Home / 30,432.24-41,994.72-17,856

Finding the Fourth Proportional to 30,432.24, 41,994.72 and 17,856

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Solution

The fourth proportional to 30,432.24, 41,994.72 and 17,856 is: 24,640.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432.24 : 41,994.72 = 17,856 : x
  2. Step 2: Convert to fraction form
    30,432.24/41,994.72 = 17,856/x
  3. Step 3: Cross multiply
    30,432.24x = 41,994.72 × 17,856
  4. Step 4: Simplify right side
    30,432.24x = 749,857,720.32
  5. Step 5: Solve for x
    x = 749,857,720.32/30,432.24
  6. Step 6: Final answer
    x = 24,640.24

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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.