Home / 50,816.52-70,161-31,725.36

Finding the Fourth Proportional to 50,816.52, 70,161 and 31,725.36

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Solution

The fourth proportional to 50,816.52, 70,161 and 31,725.36 is: 43,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,816.52 : 70,161 = 31,725.36 : x
  2. Step 2: Convert to fraction form
    50,816.52/70,161 = 31,725.36/x
  3. Step 3: Cross multiply
    50,816.52x = 70,161 × 31,725.36
  4. Step 4: Simplify right side
    50,816.52x = 2,225,882,982.96
  5. Step 5: Solve for x
    x = 2,225,882,982.96/50,816.52
  6. Step 6: Final answer
    x = 43,802.35

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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.