Home / 40,887.91-61,340.51-13,183.75

Finding the Fourth Proportional to 40,887.91, 61,340.51 and 13,183.75

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Solution

The fourth proportional to 40,887.91, 61,340.51 and 13,183.75 is: 19,778.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,887.91 : 61,340.51 = 13,183.75 : x
  2. Step 2: Convert to fraction form
    40,887.91/61,340.51 = 13,183.75/x
  3. Step 3: Cross multiply
    40,887.91x = 61,340.51 × 13,183.75
  4. Step 4: Simplify right side
    40,887.91x = 808,697,948.71
  5. Step 5: Solve for x
    x = 808,697,948.71/40,887.91
  6. Step 6: Final answer
    x = 19,778.41

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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.