Home / 34,389.21-51,580.36-9,431.76

Finding the Fourth Proportional to 34,389.21, 51,580.36 and 9,431.76

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Solution

The fourth proportional to 34,389.21, 51,580.36 and 9,431.76 is: 14,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,389.21 : 51,580.36 = 9,431.76 : x
  2. Step 2: Convert to fraction form
    34,389.21/51,580.36 = 9,431.76/x
  3. Step 3: Cross multiply
    34,389.21x = 51,580.36 × 9,431.76
  4. Step 4: Simplify right side
    34,389.21x = 486,493,728.40
  5. Step 5: Solve for x
    x = 486,493,728.40/34,389.21
  6. Step 6: Final answer
    x = 14,146.70

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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.