Home / 64,085.20-96,141.42-21,953.98

Finding the Fourth Proportional to 64,085.20, 96,141.42 and 21,953.98

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Solution

The fourth proportional to 64,085.20, 96,141.42 and 21,953.98 is: 32,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,085.20 : 96,141.42 = 21,953.98 : x
  2. Step 2: Convert to fraction form
    64,085.20/96,141.42 = 21,953.98/x
  3. Step 3: Cross multiply
    64,085.20x = 96,141.42 × 21,953.98
  4. Step 4: Simplify right side
    64,085.20x = 2,110,686,571.50
  5. Step 5: Solve for x
    x = 2,110,686,571.50/64,085.20
  6. Step 6: Final answer
    x = 32,935.63

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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.