Home / 55,831.10-77,050.82-31,631.87

Finding the Fourth Proportional to 55,831.10, 77,050.82 and 31,631.87

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Solution

The fourth proportional to 55,831.10, 77,050.82 and 31,631.87 is: 43,654.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.10 : 77,050.82 = 31,631.87 : x
  2. Step 2: Convert to fraction form
    55,831.10/77,050.82 = 31,631.87/x
  3. Step 3: Cross multiply
    55,831.10x = 77,050.82 × 31,631.87
  4. Step 4: Simplify right side
    55,831.10x = 2,437,261,270.96
  5. Step 5: Solve for x
    x = 2,437,261,270.96/55,831.10
  6. Step 6: Final answer
    x = 43,654.19

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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.