Home / 40,989.78-56,544.50-25,877

Finding the Fourth Proportional to 40,989.78, 56,544.50 and 25,877

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Solution

The fourth proportional to 40,989.78, 56,544.50 and 25,877 is: 35,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,989.78 : 56,544.50 = 25,877 : x
  2. Step 2: Convert to fraction form
    40,989.78/56,544.50 = 25,877/x
  3. Step 3: Cross multiply
    40,989.78x = 56,544.50 × 25,877
  4. Step 4: Simplify right side
    40,989.78x = 1,463,202,026.50
  5. Step 5: Solve for x
    x = 1,463,202,026.50/40,989.78
  6. Step 6: Final answer
    x = 35,696.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.