Home / 46,531.18-69,770.32-31,758

Finding the Fourth Proportional to 46,531.18, 69,770.32 and 31,758

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Solution

The fourth proportional to 46,531.18, 69,770.32 and 31,758 is: 47,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,531.18 : 69,770.32 = 31,758 : x
  2. Step 2: Convert to fraction form
    46,531.18/69,770.32 = 31,758/x
  3. Step 3: Cross multiply
    46,531.18x = 69,770.32 × 31,758
  4. Step 4: Simplify right side
    46,531.18x = 2,215,765,822.56
  5. Step 5: Solve for x
    x = 2,215,765,822.56/46,531.18
  6. Step 6: Final answer
    x = 47,618.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.