Home / 56,183.96-77,527.26-31,031.96

Finding the Fourth Proportional to 56,183.96, 77,527.26 and 31,031.96

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Solution

The fourth proportional to 56,183.96, 77,527.26 and 31,031.96 is: 42,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,183.96 : 77,527.26 = 31,031.96 : x
  2. Step 2: Convert to fraction form
    56,183.96/77,527.26 = 31,031.96/x
  3. Step 3: Cross multiply
    56,183.96x = 77,527.26 × 31,031.96
  4. Step 4: Simplify right side
    56,183.96x = 2,405,822,831.23
  5. Step 5: Solve for x
    x = 2,405,822,831.23/56,183.96
  6. Step 6: Final answer
    x = 42,820.46

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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.