Home / 55,608.64-76,743.18-31,743

Finding the Fourth Proportional to 55,608.64, 76,743.18 and 31,743

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Solution

The fourth proportional to 55,608.64, 76,743.18 and 31,743 is: 43,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,608.64 : 76,743.18 = 31,743 : x
  2. Step 2: Convert to fraction form
    55,608.64/76,743.18 = 31,743/x
  3. Step 3: Cross multiply
    55,608.64x = 76,743.18 × 31,743
  4. Step 4: Simplify right side
    55,608.64x = 2,436,058,762.74
  5. Step 5: Solve for x
    x = 2,436,058,762.74/55,608.64
  6. Step 6: Final answer
    x = 43,807.20

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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.