Home / 31,407.41-43,344.63-17,982.87

Finding the Fourth Proportional to 31,407.41, 43,344.63 and 17,982.87

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Solution

The fourth proportional to 31,407.41, 43,344.63 and 17,982.87 is: 24,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.41 : 43,344.63 = 17,982.87 : x
  2. Step 2: Convert to fraction form
    31,407.41/43,344.63 = 17,982.87/x
  3. Step 3: Cross multiply
    31,407.41x = 43,344.63 × 17,982.87
  4. Step 4: Simplify right side
    31,407.41x = 779,460,846.49
  5. Step 5: Solve for x
    x = 779,460,846.49/31,407.41
  6. Step 6: Final answer
    x = 24,817.74

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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.