Home / 65,563.52-90,464.10-38,334.36

Finding the Fourth Proportional to 65,563.52, 90,464.10 and 38,334.36

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Solution

The fourth proportional to 65,563.52, 90,464.10 and 38,334.36 is: 52,893.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,563.52 : 90,464.10 = 38,334.36 : x
  2. Step 2: Convert to fraction form
    65,563.52/90,464.10 = 38,334.36/x
  3. Step 3: Cross multiply
    65,563.52x = 90,464.10 × 38,334.36
  4. Step 4: Simplify right side
    65,563.52x = 3,467,883,376.48
  5. Step 5: Solve for x
    x = 3,467,883,376.48/65,563.52
  6. Step 6: Final answer
    x = 52,893.49

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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.