Home / 31,309.57-46,952.67-12,583.27

Finding the Fourth Proportional to 31,309.57, 46,952.67 and 12,583.27

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Solution

The fourth proportional to 31,309.57, 46,952.67 and 12,583.27 is: 18,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,309.57 : 46,952.67 = 12,583.27 : x
  2. Step 2: Convert to fraction form
    31,309.57/46,952.67 = 12,583.27/x
  3. Step 3: Cross multiply
    31,309.57x = 46,952.67 × 12,583.27
  4. Step 4: Simplify right side
    31,309.57x = 590,818,123.83
  5. Step 5: Solve for x
    x = 590,818,123.83/31,309.57
  6. Step 6: Final answer
    x = 18,870.21

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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.