Home / 74,328.69-111,496.78-21,024.48

Finding the Fourth Proportional to 74,328.69, 111,496.78 and 21,024.48

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Solution

The fourth proportional to 74,328.69, 111,496.78 and 21,024.48 is: 31,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,328.69 : 111,496.78 = 21,024.48 : x
  2. Step 2: Convert to fraction form
    74,328.69/111,496.78 = 21,024.48/x
  3. Step 3: Cross multiply
    74,328.69x = 111,496.78 × 21,024.48
  4. Step 4: Simplify right side
    74,328.69x = 2,344,161,158.57
  5. Step 5: Solve for x
    x = 2,344,161,158.57/74,328.69
  6. Step 6: Final answer
    x = 31,537.77

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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.