Home / 57,363.68-86,032.54-21,812.32

Finding the Fourth Proportional to 57,363.68, 86,032.54 and 21,812.32

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Solution

The fourth proportional to 57,363.68, 86,032.54 and 21,812.32 is: 32,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,363.68 : 86,032.54 = 21,812.32 : x
  2. Step 2: Convert to fraction form
    57,363.68/86,032.54 = 21,812.32/x
  3. Step 3: Cross multiply
    57,363.68x = 86,032.54 × 21,812.32
  4. Step 4: Simplify right side
    57,363.68x = 1,876,569,292.89
  5. Step 5: Solve for x
    x = 1,876,569,292.89/57,363.68
  6. Step 6: Final answer
    x = 32,713.54

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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.