Home / 34,539.68-47,649.25-21,108.41

Finding the Fourth Proportional to 34,539.68, 47,649.25 and 21,108.41

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Solution

The fourth proportional to 34,539.68, 47,649.25 and 21,108.41 is: 29,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,539.68 : 47,649.25 = 21,108.41 : x
  2. Step 2: Convert to fraction form
    34,539.68/47,649.25 = 21,108.41/x
  3. Step 3: Cross multiply
    34,539.68x = 47,649.25 × 21,108.41
  4. Step 4: Simplify right side
    34,539.68x = 1,005,800,021.31
  5. Step 5: Solve for x
    x = 1,005,800,021.31/34,539.68
  6. Step 6: Final answer
    x = 29,120.13

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1.5x scale

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.