Home / 64,117.28-88,485.52-35,436.64

Finding the Fourth Proportional to 64,117.28, 88,485.52 and 35,436.64

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Solution

The fourth proportional to 64,117.28, 88,485.52 and 35,436.64 is: 48,904.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,117.28 : 88,485.52 = 35,436.64 : x
  2. Step 2: Convert to fraction form
    64,117.28/88,485.52 = 35,436.64/x
  3. Step 3: Cross multiply
    64,117.28x = 88,485.52 × 35,436.64
  4. Step 4: Simplify right side
    64,117.28x = 3,135,629,517.45
  5. Step 5: Solve for x
    x = 3,135,629,517.45/64,117.28
  6. Step 6: Final answer
    x = 48,904.59

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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.