Home / 38,865.76-58,299.00-12,570.53

Finding the Fourth Proportional to 38,865.76, 58,299.00 and 12,570.53

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Solution

The fourth proportional to 38,865.76, 58,299.00 and 12,570.53 is: 18,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,865.76 : 58,299.00 = 12,570.53 : x
  2. Step 2: Convert to fraction form
    38,865.76/58,299.00 = 12,570.53/x
  3. Step 3: Cross multiply
    38,865.76x = 58,299.00 × 12,570.53
  4. Step 4: Simplify right side
    38,865.76x = 732,848,989.84
  5. Step 5: Solve for x
    x = 732,848,989.84/38,865.76
  6. Step 6: Final answer
    x = 18,855.90

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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.