Home / 32,649.11-45,042.82-21,314.98

Finding the Fourth Proportional to 32,649.11, 45,042.82 and 21,314.98

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Solution

The fourth proportional to 32,649.11, 45,042.82 and 21,314.98 is: 29,406.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,649.11 : 45,042.82 = 21,314.98 : x
  2. Step 2: Convert to fraction form
    32,649.11/45,042.82 = 21,314.98/x
  3. Step 3: Cross multiply
    32,649.11x = 45,042.82 × 21,314.98
  4. Step 4: Simplify right side
    32,649.11x = 960,086,810.46
  5. Step 5: Solve for x
    x = 960,086,810.46/32,649.11
  6. Step 6: Final answer
    x = 29,406.22

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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.