Home / 29,888.31-41,257.05-19,820.12

Finding the Fourth Proportional to 29,888.31, 41,257.05 and 19,820.12

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Solution

The fourth proportional to 29,888.31, 41,257.05 and 19,820.12 is: 27,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,888.31 : 41,257.05 = 19,820.12 : x
  2. Step 2: Convert to fraction form
    29,888.31/41,257.05 = 19,820.12/x
  3. Step 3: Cross multiply
    29,888.31x = 41,257.05 × 19,820.12
  4. Step 4: Simplify right side
    29,888.31x = 817,719,784.99
  5. Step 5: Solve for x
    x = 817,719,784.99/29,888.31
  6. Step 6: Final answer
    x = 27,359.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.