Home / 31,980.87-44,134.80-17,836.45

Finding the Fourth Proportional to 31,980.87, 44,134.80 and 17,836.45

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Solution

The fourth proportional to 31,980.87, 44,134.80 and 17,836.45 is: 24,614.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,980.87 : 44,134.80 = 17,836.45 : x
  2. Step 2: Convert to fraction form
    31,980.87/44,134.80 = 17,836.45/x
  3. Step 3: Cross multiply
    31,980.87x = 44,134.80 × 17,836.45
  4. Step 4: Simplify right side
    31,980.87x = 787,208,153.46
  5. Step 5: Solve for x
    x = 787,208,153.46/31,980.87
  6. Step 6: Final answer
    x = 24,614.97

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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.