Home / 60,664.14-91,009.17-21,222.54

Finding the Fourth Proportional to 60,664.14, 91,009.17 and 21,222.54

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Solution

The fourth proportional to 60,664.14, 91,009.17 and 21,222.54 is: 31,838.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,664.14 : 91,009.17 = 21,222.54 : x
  2. Step 2: Convert to fraction form
    60,664.14/91,009.17 = 21,222.54/x
  3. Step 3: Cross multiply
    60,664.14x = 91,009.17 × 21,222.54
  4. Step 4: Simplify right side
    60,664.14x = 1,931,445,750.69
  5. Step 5: Solve for x
    x = 1,931,445,750.69/60,664.14
  6. Step 6: Final answer
    x = 31,838.34

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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.