Home / 56,632.08-78,150.24-31,481.04

Finding the Fourth Proportional to 56,632.08, 78,150.24 and 31,481.04

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Solution

The fourth proportional to 56,632.08, 78,150.24 and 31,481.04 is: 43,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,632.08 : 78,150.24 = 31,481.04 : x
  2. Step 2: Convert to fraction form
    56,632.08/78,150.24 = 31,481.04/x
  3. Step 3: Cross multiply
    56,632.08x = 78,150.24 × 31,481.04
  4. Step 4: Simplify right side
    56,632.08x = 2,460,250,831.45
  5. Step 5: Solve for x
    x = 2,460,250,831.45/56,632.08
  6. Step 6: Final answer
    x = 43,442.71

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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.