Home / 65,512.16-90,409.20-37,222.64

Finding the Fourth Proportional to 65,512.16, 90,409.20 and 37,222.64

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Solution

The fourth proportional to 65,512.16, 90,409.20 and 37,222.64 is: 51,368.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,512.16 : 90,409.20 = 37,222.64 : x
  2. Step 2: Convert to fraction form
    65,512.16/90,409.20 = 37,222.64/x
  3. Step 3: Cross multiply
    65,512.16x = 90,409.20 × 37,222.64
  4. Step 4: Simplify right side
    65,512.16x = 3,365,269,104.29
  5. Step 5: Solve for x
    x = 3,365,269,104.29/65,512.16
  6. Step 6: Final answer
    x = 51,368.62

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1.5x scale

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.