Home / 61,026.96-91,531.32-21,052.24

Finding the Fourth Proportional to 61,026.96, 91,531.32 and 21,052.24

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Solution

The fourth proportional to 61,026.96, 91,531.32 and 21,052.24 is: 31,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,026.96 : 91,531.32 = 21,052.24 : x
  2. Step 2: Convert to fraction form
    61,026.96/91,531.32 = 21,052.24/x
  3. Step 3: Cross multiply
    61,026.96x = 91,531.32 × 21,052.24
  4. Step 4: Simplify right side
    61,026.96x = 1,926,939,316.16
  5. Step 5: Solve for x
    x = 1,926,939,316.16/61,026.96
  6. Step 6: Final answer
    x = 31,575.21

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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.