Home / 47,642.48-71,460.84-21,340.16

Finding the Fourth Proportional to 47,642.48, 71,460.84 and 21,340.16

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Solution

The fourth proportional to 47,642.48, 71,460.84 and 21,340.16 is: 32,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,642.48 : 71,460.84 = 21,340.16 : x
  2. Step 2: Convert to fraction form
    47,642.48/71,460.84 = 21,340.16/x
  3. Step 3: Cross multiply
    47,642.48x = 71,460.84 × 21,340.16
  4. Step 4: Simplify right side
    47,642.48x = 1,524,985,759.33
  5. Step 5: Solve for x
    x = 1,524,985,759.33/47,642.48
  6. Step 6: Final answer
    x = 32,008.95

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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.