Home / 31,966.40-44,114.21-17,817.72

Finding the Fourth Proportional to 31,966.40, 44,114.21 and 17,817.72

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Solution

The fourth proportional to 31,966.40, 44,114.21 and 17,817.72 is: 24,588.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,966.40 : 44,114.21 = 17,817.72 : x
  2. Step 2: Convert to fraction form
    31,966.40/44,114.21 = 17,817.72/x
  3. Step 3: Cross multiply
    31,966.40x = 44,114.21 × 17,817.72
  4. Step 4: Simplify right side
    31,966.40x = 786,014,641.80
  5. Step 5: Solve for x
    x = 786,014,641.80/31,966.40
  6. Step 6: Final answer
    x = 24,588.78

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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.