Home / 65,564.02-90,464.79-38,334.86

Finding the Fourth Proportional to 65,564.02, 90,464.79 and 38,334.86

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Solution

The fourth proportional to 65,564.02, 90,464.79 and 38,334.86 is: 52,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,564.02 : 90,464.79 = 38,334.86 : x
  2. Step 2: Convert to fraction form
    65,564.02/90,464.79 = 38,334.86/x
  3. Step 3: Cross multiply
    65,564.02x = 90,464.79 × 38,334.86
  4. Step 4: Simplify right side
    65,564.02x = 3,467,955,059.58
  5. Step 5: Solve for x
    x = 3,467,955,059.58/65,564.02
  6. Step 6: Final answer
    x = 52,894.18

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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.