Home / 31,098.22-42,916.70-17,671.75

Finding the Fourth Proportional to 31,098.22, 42,916.70 and 17,671.75

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Solution

The fourth proportional to 31,098.22, 42,916.70 and 17,671.75 is: 24,387.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,098.22 : 42,916.70 = 17,671.75 : x
  2. Step 2: Convert to fraction form
    31,098.22/42,916.70 = 17,671.75/x
  3. Step 3: Cross multiply
    31,098.22x = 42,916.70 × 17,671.75
  4. Step 4: Simplify right side
    31,098.22x = 758,413,193.23
  5. Step 5: Solve for x
    x = 758,413,193.23/31,098.22
  6. Step 6: Final answer
    x = 24,387.67

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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.