Home / 31,115.38-46,474.67-28,149.24

Finding the Fourth Proportional to 31,115.38, 46,474.67 and 28,149.24

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Solution

The fourth proportional to 31,115.38, 46,474.67 and 28,149.24 is: 42,044.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,115.38 : 46,474.67 = 28,149.24 : x
  2. Step 2: Convert to fraction form
    31,115.38/46,474.67 = 28,149.24/x
  3. Step 3: Cross multiply
    31,115.38x = 46,474.67 × 28,149.24
  4. Step 4: Simplify right side
    31,115.38x = 1,308,226,639.75
  5. Step 5: Solve for x
    x = 1,308,226,639.75/31,115.38
  6. Step 6: Final answer
    x = 42,044.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.