Home / 70,619.28-97,454.66-38,790.23

Finding the Fourth Proportional to 70,619.28, 97,454.66 and 38,790.23

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Solution

The fourth proportional to 70,619.28, 97,454.66 and 38,790.23 is: 53,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,619.28 : 97,454.66 = 38,790.23 : x
  2. Step 2: Convert to fraction form
    70,619.28/97,454.66 = 38,790.23/x
  3. Step 3: Cross multiply
    70,619.28x = 97,454.66 × 38,790.23
  4. Step 4: Simplify right side
    70,619.28x = 3,780,288,188.70
  5. Step 5: Solve for x
    x = 3,780,288,188.70/70,619.28
  6. Step 6: Final answer
    x = 53,530.54

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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.