Home / 70,272.72-96,976.23-38,441.64

Finding the Fourth Proportional to 70,272.72, 96,976.23 and 38,441.64

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Solution

The fourth proportional to 70,272.72, 96,976.23 and 38,441.64 is: 53,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,272.72 : 96,976.23 = 38,441.64 : x
  2. Step 2: Convert to fraction form
    70,272.72/96,976.23 = 38,441.64/x
  3. Step 3: Cross multiply
    70,272.72x = 96,976.23 × 38,441.64
  4. Step 4: Simplify right side
    70,272.72x = 3,727,925,322.22
  5. Step 5: Solve for x
    x = 3,727,925,322.22/70,272.72
  6. Step 6: Final answer
    x = 53,049.40

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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.