Home / 31,135.62-46,699.98-11,144.31

Finding the Fourth Proportional to 31,135.62, 46,699.98 and 11,144.31

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Solution

The fourth proportional to 31,135.62, 46,699.98 and 11,144.31 is: 16,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,135.62 : 46,699.98 = 11,144.31 : x
  2. Step 2: Convert to fraction form
    31,135.62/46,699.98 = 11,144.31/x
  3. Step 3: Cross multiply
    31,135.62x = 46,699.98 × 11,144.31
  4. Step 4: Simplify right side
    31,135.62x = 520,439,054.11
  5. Step 5: Solve for x
    x = 520,439,054.11/31,135.62
  6. Step 6: Final answer
    x = 16,715.23

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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.