Home / 30,986.37-42,761.07-17,560.18

Finding the Fourth Proportional to 30,986.37, 42,761.07 and 17,560.18

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Solution

The fourth proportional to 30,986.37, 42,761.07 and 17,560.18 is: 24,232.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,986.37 : 42,761.07 = 17,560.18 : x
  2. Step 2: Convert to fraction form
    30,986.37/42,761.07 = 17,560.18/x
  3. Step 3: Cross multiply
    30,986.37x = 42,761.07 × 17,560.18
  4. Step 4: Simplify right side
    30,986.37x = 750,891,998.39
  5. Step 5: Solve for x
    x = 750,891,998.39/30,986.37
  6. Step 6: Final answer
    x = 24,232.98

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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.