Home / 70,474.24-97,253.62-38,642.86

Finding the Fourth Proportional to 70,474.24, 97,253.62 and 38,642.86

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Solution

The fourth proportional to 70,474.24, 97,253.62 and 38,642.86 is: 53,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,474.24 : 97,253.62 = 38,642.86 : x
  2. Step 2: Convert to fraction form
    70,474.24/97,253.62 = 38,642.86/x
  3. Step 3: Cross multiply
    70,474.24x = 97,253.62 × 38,642.86
  4. Step 4: Simplify right side
    70,474.24x = 3,758,158,022.15
  5. Step 5: Solve for x
    x = 3,758,158,022.15/70,474.24
  6. Step 6: Final answer
    x = 53,326.69

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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.