Home / 40,911.48-61,369.80-10,925.16

Finding the Fourth Proportional to 40,911.48, 61,369.80 and 10,925.16

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Solution

The fourth proportional to 40,911.48, 61,369.80 and 10,925.16 is: 16,388.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,911.48 : 61,369.80 = 10,925.16 : x
  2. Step 2: Convert to fraction form
    40,911.48/61,369.80 = 10,925.16/x
  3. Step 3: Cross multiply
    40,911.48x = 61,369.80 × 10,925.16
  4. Step 4: Simplify right side
    40,911.48x = 670,474,884.17
  5. Step 5: Solve for x
    x = 670,474,884.17/40,911.48
  6. Step 6: Final answer
    x = 16,388.43

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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.