Home / 30,863.14-42,591.36-16,716.10

Finding the Fourth Proportional to 30,863.14, 42,591.36 and 16,716.10

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Solution

The fourth proportional to 30,863.14, 42,591.36 and 16,716.10 is: 23,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,863.14 : 42,591.36 = 16,716.10 : x
  2. Step 2: Convert to fraction form
    30,863.14/42,591.36 = 16,716.10/x
  3. Step 3: Cross multiply
    30,863.14x = 42,591.36 × 16,716.10
  4. Step 4: Simplify right side
    30,863.14x = 711,961,432.90
  5. Step 5: Solve for x
    x = 711,961,432.90/30,863.14
  6. Step 6: Final answer
    x = 23,068.34

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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.