Home / 30,974.52-42,744.84-16,827.32

Finding the Fourth Proportional to 30,974.52, 42,744.84 and 16,827.32

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Solution

The fourth proportional to 30,974.52, 42,744.84 and 16,827.32 is: 23,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,974.52 : 42,744.84 = 16,827.32 : x
  2. Step 2: Convert to fraction form
    30,974.52/42,744.84 = 16,827.32/x
  3. Step 3: Cross multiply
    30,974.52x = 42,744.84 × 16,827.32
  4. Step 4: Simplify right side
    30,974.52x = 719,281,101.03
  5. Step 5: Solve for x
    x = 719,281,101.03/30,974.52
  6. Step 6: Final answer
    x = 23,221.70

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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.