Home / 31,077.57-46,657.01-18,450.38

Finding the Fourth Proportional to 31,077.57, 46,657.01 and 18,450.38

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Solution

The fourth proportional to 31,077.57, 46,657.01 and 18,450.38 is: 27,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,077.57 : 46,657.01 = 18,450.38 : x
  2. Step 2: Convert to fraction form
    31,077.57/46,657.01 = 18,450.38/x
  3. Step 3: Cross multiply
    31,077.57x = 46,657.01 × 18,450.38
  4. Step 4: Simplify right side
    31,077.57x = 860,839,564.16
  5. Step 5: Solve for x
    x = 860,839,564.16/31,077.57
  6. Step 6: Final answer
    x = 27,699.71

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1.5x scale

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.