Home / 56,831.53-85,271.87-30,505.52

Finding the Fourth Proportional to 56,831.53, 85,271.87 and 30,505.52

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Solution

The fourth proportional to 56,831.53, 85,271.87 and 30,505.52 is: 45,771.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,831.53 : 85,271.87 = 30,505.52 : x
  2. Step 2: Convert to fraction form
    56,831.53/85,271.87 = 30,505.52/x
  3. Step 3: Cross multiply
    56,831.53x = 85,271.87 × 30,505.52
  4. Step 4: Simplify right side
    56,831.53x = 2,601,262,735.72
  5. Step 5: Solve for x
    x = 2,601,262,735.72/56,831.53
  6. Step 6: Final answer
    x = 45,771.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.