Home / 31,315.18-46,972.67-7,941.56

Finding the Fourth Proportional to 31,315.18, 46,972.67 and 7,941.56

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Solution

The fourth proportional to 31,315.18, 46,972.67 and 7,941.56 is: 11,912.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315.18 : 46,972.67 = 7,941.56 : x
  2. Step 2: Convert to fraction form
    31,315.18/46,972.67 = 7,941.56/x
  3. Step 3: Cross multiply
    31,315.18x = 46,972.67 × 7,941.56
  4. Step 4: Simplify right side
    31,315.18x = 373,036,277.17
  5. Step 5: Solve for x
    x = 373,036,277.17/31,315.18
  6. Step 6: Final answer
    x = 11,912.31

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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.