Home / 52,162.96-71,984.48-28,289.68

Finding the Fourth Proportional to 52,162.96, 71,984.48 and 28,289.68

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Solution

The fourth proportional to 52,162.96, 71,984.48 and 28,289.68 is: 39,039.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,162.96 : 71,984.48 = 28,289.68 : x
  2. Step 2: Convert to fraction form
    52,162.96/71,984.48 = 28,289.68/x
  3. Step 3: Cross multiply
    52,162.96x = 71,984.48 × 28,289.68
  4. Step 4: Simplify right side
    52,162.96x = 2,036,417,904.17
  5. Step 5: Solve for x
    x = 2,036,417,904.17/52,162.96
  6. Step 6: Final answer
    x = 39,039.54

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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.