Home / 30,955.16-42,717.31-17,527.73

Finding the Fourth Proportional to 30,955.16, 42,717.31 and 17,527.73

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Solution

The fourth proportional to 30,955.16, 42,717.31 and 17,527.73 is: 24,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,955.16 : 42,717.31 = 17,527.73 : x
  2. Step 2: Convert to fraction form
    30,955.16/42,717.31 = 17,527.73/x
  3. Step 3: Cross multiply
    30,955.16x = 42,717.31 × 17,527.73
  4. Step 4: Simplify right side
    30,955.16x = 748,737,218.60
  5. Step 5: Solve for x
    x = 748,737,218.60/30,955.16
  6. Step 6: Final answer
    x = 24,187.80

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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.