Home / 31,370.06-43,294.13-17,942.57

Finding the Fourth Proportional to 31,370.06, 43,294.13 and 17,942.57

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Solution

The fourth proportional to 31,370.06, 43,294.13 and 17,942.57 is: 24,762.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,370.06 : 43,294.13 = 17,942.57 : x
  2. Step 2: Convert to fraction form
    31,370.06/43,294.13 = 17,942.57/x
  3. Step 3: Cross multiply
    31,370.06x = 43,294.13 × 17,942.57
  4. Step 4: Simplify right side
    31,370.06x = 776,807,868.40
  5. Step 5: Solve for x
    x = 776,807,868.40/31,370.06
  6. Step 6: Final answer
    x = 24,762.72

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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.