Home / 69,138.36-95,412.60-38,924.69

Finding the Fourth Proportional to 69,138.36, 95,412.60 and 38,924.69

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Solution

The fourth proportional to 69,138.36, 95,412.60 and 38,924.69 is: 53,717.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,138.36 : 95,412.60 = 38,924.69 : x
  2. Step 2: Convert to fraction form
    69,138.36/95,412.60 = 38,924.69/x
  3. Step 3: Cross multiply
    69,138.36x = 95,412.60 × 38,924.69
  4. Step 4: Simplify right side
    69,138.36x = 3,713,905,400.03
  5. Step 5: Solve for x
    x = 3,713,905,400.03/69,138.36
  6. Step 6: Final answer
    x = 53,717.00

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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.