Home / 40,880.35-56,255.47-36,175.87

Finding the Fourth Proportional to 40,880.35, 56,255.47 and 36,175.87

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Solution

The fourth proportional to 40,880.35, 56,255.47 and 36,175.87 is: 49,781.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,880.35 : 56,255.47 = 36,175.87 : x
  2. Step 2: Convert to fraction form
    40,880.35/56,255.47 = 36,175.87/x
  3. Step 3: Cross multiply
    40,880.35x = 56,255.47 × 36,175.87
  4. Step 4: Simplify right side
    40,880.35x = 2,035,090,569.51
  5. Step 5: Solve for x
    x = 2,035,090,569.51/40,880.35
  6. Step 6: Final answer
    x = 49,781.63

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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.