Home / 30,949.60-42,710.19-16,802.44

Finding the Fourth Proportional to 30,949.60, 42,710.19 and 16,802.44

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Solution

The fourth proportional to 30,949.60, 42,710.19 and 16,802.44 is: 23,187.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,949.60 : 42,710.19 = 16,802.44 : x
  2. Step 2: Convert to fraction form
    30,949.60/42,710.19 = 16,802.44/x
  3. Step 3: Cross multiply
    30,949.60x = 42,710.19 × 16,802.44
  4. Step 4: Simplify right side
    30,949.60x = 717,635,404.86
  5. Step 5: Solve for x
    x = 717,635,404.86/30,949.60
  6. Step 6: Final answer
    x = 23,187.23

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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.