Home / 63,406.95-95,107.16-21,287.36

Finding the Fourth Proportional to 63,406.95, 95,107.16 and 21,287.36

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Solution

The fourth proportional to 63,406.95, 95,107.16 and 21,287.36 is: 31,929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,406.95 : 95,107.16 = 21,287.36 : x
  2. Step 2: Convert to fraction form
    63,406.95/95,107.16 = 21,287.36/x
  3. Step 3: Cross multiply
    63,406.95x = 95,107.16 × 21,287.36
  4. Step 4: Simplify right side
    63,406.95x = 2,024,579,771.53
  5. Step 5: Solve for x
    x = 2,024,579,771.53/63,406.95
  6. Step 6: Final answer
    x = 31,929.93

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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.