Home / 40,867.48-61,288.26-13,159

Finding the Fourth Proportional to 40,867.48, 61,288.26 and 13,159

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Solution

The fourth proportional to 40,867.48, 61,288.26 and 13,159 is: 19,734.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,867.48 : 61,288.26 = 13,159 : x
  2. Step 2: Convert to fraction form
    40,867.48/61,288.26 = 13,159/x
  3. Step 3: Cross multiply
    40,867.48x = 61,288.26 × 13,159
  4. Step 4: Simplify right side
    40,867.48x = 806,492,213.34
  5. Step 5: Solve for x
    x = 806,492,213.34/40,867.48
  6. Step 6: Final answer
    x = 19,734.33

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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.