Home / 31,236.76-46,874.58-13,721.32

Finding the Fourth Proportional to 31,236.76, 46,874.58 and 13,721.32

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Solution

The fourth proportional to 31,236.76, 46,874.58 and 13,721.32 is: 20,590.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.76 : 46,874.58 = 13,721.32 : x
  2. Step 2: Convert to fraction form
    31,236.76/46,874.58 = 13,721.32/x
  3. Step 3: Cross multiply
    31,236.76x = 46,874.58 × 13,721.32
  4. Step 4: Simplify right side
    31,236.76x = 643,181,112.05
  5. Step 5: Solve for x
    x = 643,181,112.05/31,236.76
  6. Step 6: Final answer
    x = 20,590.52

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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.