Home / 38,664.89-57,984.98-12,363.38

Finding the Fourth Proportional to 38,664.89, 57,984.98 and 12,363.38

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Solution

The fourth proportional to 38,664.89, 57,984.98 and 12,363.38 is: 18,541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664.89 : 57,984.98 = 12,363.38 : x
  2. Step 2: Convert to fraction form
    38,664.89/57,984.98 = 12,363.38/x
  3. Step 3: Cross multiply
    38,664.89x = 57,984.98 × 12,363.38
  4. Step 4: Simplify right side
    38,664.89x = 716,889,990.29
  5. Step 5: Solve for x
    x = 716,889,990.29/38,664.89
  6. Step 6: Final answer
    x = 18,541.11

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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.