Home / 62,864.64-94,313.76-21,311.52

Finding the Fourth Proportional to 62,864.64, 94,313.76 and 21,311.52

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Solution

The fourth proportional to 62,864.64, 94,313.76 and 21,311.52 is: 31,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,864.64 : 94,313.76 = 21,311.52 : x
  2. Step 2: Convert to fraction form
    62,864.64/94,313.76 = 21,311.52/x
  3. Step 3: Cross multiply
    62,864.64x = 94,313.76 × 21,311.52
  4. Step 4: Simplify right side
    62,864.64x = 2,009,969,582.52
  5. Step 5: Solve for x
    x = 2,009,969,582.52/62,864.64
  6. Step 6: Final answer
    x = 31,972.98

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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.