Home / 62,921.49-86,831.16-35,702.79

Finding the Fourth Proportional to 62,921.49, 86,831.16 and 35,702.79

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Solution

The fourth proportional to 62,921.49, 86,831.16 and 35,702.79 is: 49,269.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,921.49 : 86,831.16 = 35,702.79 : x
  2. Step 2: Convert to fraction form
    62,921.49/86,831.16 = 35,702.79/x
  3. Step 3: Cross multiply
    62,921.49x = 86,831.16 × 35,702.79
  4. Step 4: Simplify right side
    62,921.49x = 3,100,114,670.94
  5. Step 5: Solve for x
    x = 3,100,114,670.94/62,921.49
  6. Step 6: Final answer
    x = 49,269.57

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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.