Home / 30,605.58-42,236.15-17,176.05

Finding the Fourth Proportional to 30,605.58, 42,236.15 and 17,176.05

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Solution

The fourth proportional to 30,605.58, 42,236.15 and 17,176.05 is: 23,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,605.58 : 42,236.15 = 17,176.05 : x
  2. Step 2: Convert to fraction form
    30,605.58/42,236.15 = 17,176.05/x
  3. Step 3: Cross multiply
    30,605.58x = 42,236.15 × 17,176.05
  4. Step 4: Simplify right side
    30,605.58x = 725,450,138.33
  5. Step 5: Solve for x
    x = 725,450,138.33/30,605.58
  6. Step 6: Final answer
    x = 23,703.20

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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.