Home / 40,899.48-61,351.80-10,913.16

Finding the Fourth Proportional to 40,899.48, 61,351.80 and 10,913.16

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Solution

The fourth proportional to 40,899.48, 61,351.80 and 10,913.16 is: 16,370.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,899.48 : 61,351.80 = 10,913.16 : x
  2. Step 2: Convert to fraction form
    40,899.48/61,351.80 = 10,913.16/x
  3. Step 3: Cross multiply
    40,899.48x = 61,351.80 × 10,913.16
  4. Step 4: Simplify right side
    40,899.48x = 669,542,009.69
  5. Step 5: Solve for x
    x = 669,542,009.69/40,899.48
  6. Step 6: Final answer
    x = 16,370.43

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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.