Home / 38,880.24-53,648.64-22,110

Finding the Fourth Proportional to 38,880.24, 53,648.64 and 22,110

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Solution

The fourth proportional to 38,880.24, 53,648.64 and 22,110 is: 30,508.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,880.24 : 53,648.64 = 22,110 : x
  2. Step 2: Convert to fraction form
    38,880.24/53,648.64 = 22,110/x
  3. Step 3: Cross multiply
    38,880.24x = 53,648.64 × 22,110
  4. Step 4: Simplify right side
    38,880.24x = 1,186,171,430.40
  5. Step 5: Solve for x
    x = 1,186,171,430.40/38,880.24
  6. Step 6: Final answer
    x = 30,508.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.