Home / 61,028.89-91,543.64-21,586.04

Finding the Fourth Proportional to 61,028.89, 91,543.64 and 21,586.04

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Solution

The fourth proportional to 61,028.89, 91,543.64 and 21,586.04 is: 32,379.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,028.89 : 91,543.64 = 21,586.04 : x
  2. Step 2: Convert to fraction form
    61,028.89/91,543.64 = 21,586.04/x
  3. Step 3: Cross multiply
    61,028.89x = 91,543.64 × 21,586.04
  4. Step 4: Simplify right side
    61,028.89x = 1,976,064,674.79
  5. Step 5: Solve for x
    x = 1,976,064,674.79/61,028.89
  6. Step 6: Final answer
    x = 32,379.17

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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.