Home / 34,679.76-52,021.12-13,624.36

Finding the Fourth Proportional to 34,679.76, 52,021.12 and 13,624.36

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Solution

The fourth proportional to 34,679.76, 52,021.12 and 13,624.36 is: 20,437.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,679.76 : 52,021.12 = 13,624.36 : x
  2. Step 2: Convert to fraction form
    34,679.76/52,021.12 = 13,624.36/x
  3. Step 3: Cross multiply
    34,679.76x = 52,021.12 × 13,624.36
  4. Step 4: Simplify right side
    34,679.76x = 708,754,466.48
  5. Step 5: Solve for x
    x = 708,754,466.48/34,679.76
  6. Step 6: Final answer
    x = 20,437.12

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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.