Home / 70,278.96-96,987.26-38,447.86

Finding the Fourth Proportional to 70,278.96, 96,987.26 and 38,447.86

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Solution

The fourth proportional to 70,278.96, 96,987.26 and 38,447.86 is: 53,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,278.96 : 96,987.26 = 38,447.86 : x
  2. Step 2: Convert to fraction form
    70,278.96/96,987.26 = 38,447.86/x
  3. Step 3: Cross multiply
    70,278.96x = 96,987.26 × 38,447.86
  4. Step 4: Simplify right side
    70,278.96x = 3,728,952,594.26
  5. Step 5: Solve for x
    x = 3,728,952,594.26/70,278.96
  6. Step 6: Final answer
    x = 53,059.30

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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.