Home / 31,137.73-42,970.01-17,524.68

Finding the Fourth Proportional to 31,137.73, 42,970.01 and 17,524.68

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Solution

The fourth proportional to 31,137.73, 42,970.01 and 17,524.68 is: 24,184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,137.73 : 42,970.01 = 17,524.68 : x
  2. Step 2: Convert to fraction form
    31,137.73/42,970.01 = 17,524.68/x
  3. Step 3: Cross multiply
    31,137.73x = 42,970.01 × 17,524.68
  4. Step 4: Simplify right side
    31,137.73x = 753,035,674.85
  5. Step 5: Solve for x
    x = 753,035,674.85/31,137.73
  6. Step 6: Final answer
    x = 24,184.03

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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.