Home / 50,001.60-75,011.04-20,435.52

Finding the Fourth Proportional to 50,001.60, 75,011.04 and 20,435.52

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Solution

The fourth proportional to 50,001.60, 75,011.04 and 20,435.52 is: 30,656.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,001.60 : 75,011.04 = 20,435.52 : x
  2. Step 2: Convert to fraction form
    50,001.60/75,011.04 = 20,435.52/x
  3. Step 3: Cross multiply
    50,001.60x = 75,011.04 × 20,435.52
  4. Step 4: Simplify right side
    50,001.60x = 1,532,889,608.14
  5. Step 5: Solve for x
    x = 1,532,889,608.14/50,001.60
  6. Step 6: Final answer
    x = 30,656.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.