Home / 56,169.64-77,512.62-31,018.60

Finding the Fourth Proportional to 56,169.64, 77,512.62 and 31,018.60

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Solution

The fourth proportional to 56,169.64, 77,512.62 and 31,018.60 is: 42,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,169.64 : 77,512.62 = 31,018.60 : x
  2. Step 2: Convert to fraction form
    56,169.64/77,512.62 = 31,018.60/x
  3. Step 3: Cross multiply
    56,169.64x = 77,512.62 × 31,018.60
  4. Step 4: Simplify right side
    56,169.64x = 2,404,332,954.73
  5. Step 5: Solve for x
    x = 2,404,332,954.73/56,169.64
  6. Step 6: Final answer
    x = 42,804.85

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1.5x scale

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.