Home / 31,251.56-46,844.38-21,388.20

Finding the Fourth Proportional to 31,251.56, 46,844.38 and 21,388.20

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Solution

The fourth proportional to 31,251.56, 46,844.38 and 21,388.20 is: 32,059.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251.56 : 46,844.38 = 21,388.20 : x
  2. Step 2: Convert to fraction form
    31,251.56/46,844.38 = 21,388.20/x
  3. Step 3: Cross multiply
    31,251.56x = 46,844.38 × 21,388.20
  4. Step 4: Simplify right side
    31,251.56x = 1,001,916,968.32
  5. Step 5: Solve for x
    x = 1,001,916,968.32/31,251.56
  6. Step 6: Final answer
    x = 32,059.74

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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.