Home / 38,607.72-57,915.63-12,313.50

Finding the Fourth Proportional to 38,607.72, 57,915.63 and 12,313.50

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Solution

The fourth proportional to 38,607.72, 57,915.63 and 12,313.50 is: 18,471.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,607.72 : 57,915.63 = 12,313.50 : x
  2. Step 2: Convert to fraction form
    38,607.72/57,915.63 = 12,313.50/x
  3. Step 3: Cross multiply
    38,607.72x = 57,915.63 × 12,313.50
  4. Step 4: Simplify right side
    38,607.72x = 713,144,110.01
  5. Step 5: Solve for x
    x = 713,144,110.01/38,607.72
  6. Step 6: Final answer
    x = 18,471.54

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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.