Home / 31,631.67-43,650-17,483.67

Finding the Fourth Proportional to 31,631.67, 43,650 and 17,483.67

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Solution

The fourth proportional to 31,631.67, 43,650 and 17,483.67 is: 24,126.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,631.67 : 43,650 = 17,483.67 : x
  2. Step 2: Convert to fraction form
    31,631.67/43,650 = 17,483.67/x
  3. Step 3: Cross multiply
    31,631.67x = 43,650 × 17,483.67
  4. Step 4: Simplify right side
    31,631.67x = 763,162,195.50
  5. Step 5: Solve for x
    x = 763,162,195.50/31,631.67
  6. Step 6: Final answer
    x = 24,126.52

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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.