Home / 56,653.50-78,183.74-31,160.94

Finding the Fourth Proportional to 56,653.50, 78,183.74 and 31,160.94

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Solution

The fourth proportional to 56,653.50, 78,183.74 and 31,160.94 is: 43,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,653.50 : 78,183.74 = 31,160.94 : x
  2. Step 2: Convert to fraction form
    56,653.50/78,183.74 = 31,160.94/x
  3. Step 3: Cross multiply
    56,653.50x = 78,183.74 × 31,160.94
  4. Step 4: Simplify right side
    56,653.50x = 2,436,278,831.12
  5. Step 5: Solve for x
    x = 2,436,278,831.12/56,653.50
  6. Step 6: Final answer
    x = 43,003.15

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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.