Home / 30,591.84-42,216.07-17,162.85

Finding the Fourth Proportional to 30,591.84, 42,216.07 and 17,162.85

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Solution

The fourth proportional to 30,591.84, 42,216.07 and 17,162.85 is: 23,684.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591.84 : 42,216.07 = 17,162.85 : x
  2. Step 2: Convert to fraction form
    30,591.84/42,216.07 = 17,162.85/x
  3. Step 3: Cross multiply
    30,591.84x = 42,216.07 × 17,162.85
  4. Step 4: Simplify right side
    30,591.84x = 724,548,077.00
  5. Step 5: Solve for x
    x = 724,548,077.00/30,591.84
  6. Step 6: Final answer
    x = 23,684.36

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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.