Home / 40,896.86-61,345.26-10,911.20

Finding the Fourth Proportional to 40,896.86, 61,345.26 and 10,911.20

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Solution

The fourth proportional to 40,896.86, 61,345.26 and 10,911.20 is: 16,366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,896.86 : 61,345.26 = 10,911.20 : x
  2. Step 2: Convert to fraction form
    40,896.86/61,345.26 = 10,911.20/x
  3. Step 3: Cross multiply
    40,896.86x = 61,345.26 × 10,911.20
  4. Step 4: Simplify right side
    40,896.86x = 669,350,094.19
  5. Step 5: Solve for x
    x = 669,350,094.19/40,896.86
  6. Step 6: Final answer
    x = 16,366.79

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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.