Home / 30,605.64-42,234.84-17,176.56

Finding the Fourth Proportional to 30,605.64, 42,234.84 and 17,176.56

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Solution

The fourth proportional to 30,605.64, 42,234.84 and 17,176.56 is: 23,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,605.64 : 42,234.84 = 17,176.56 : x
  2. Step 2: Convert to fraction form
    30,605.64/42,234.84 = 17,176.56/x
  3. Step 3: Cross multiply
    30,605.64x = 42,234.84 × 17,176.56
  4. Step 4: Simplify right side
    30,605.64x = 725,449,263.35
  5. Step 5: Solve for x
    x = 725,449,263.35/30,605.64
  6. Step 6: Final answer
    x = 23,703.12

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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.