Home / 55,662.86-76,916.46-40,529.16

Finding the Fourth Proportional to 55,662.86, 76,916.46 and 40,529.16

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Solution

The fourth proportional to 55,662.86, 76,916.46 and 40,529.16 is: 56,004.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,662.86 : 76,916.46 = 40,529.16 : x
  2. Step 2: Convert to fraction form
    55,662.86/76,916.46 = 40,529.16/x
  3. Step 3: Cross multiply
    55,662.86x = 76,916.46 × 40,529.16
  4. Step 4: Simplify right side
    55,662.86x = 3,117,359,513.97
  5. Step 5: Solve for x
    x = 3,117,359,513.97/55,662.86
  6. Step 6: Final answer
    x = 56,004.31

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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.