Home / 32,852.90-45,341.21-21,531.98

Finding the Fourth Proportional to 32,852.90, 45,341.21 and 21,531.98

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Solution

The fourth proportional to 32,852.90, 45,341.21 and 21,531.98 is: 29,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,852.90 : 45,341.21 = 21,531.98 : x
  2. Step 2: Convert to fraction form
    32,852.90/45,341.21 = 21,531.98/x
  3. Step 3: Cross multiply
    32,852.90x = 45,341.21 × 21,531.98
  4. Step 4: Simplify right side
    32,852.90x = 976,286,026.90
  5. Step 5: Solve for x
    x = 976,286,026.90/32,852.90
  6. Step 6: Final answer
    x = 29,716.89

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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.