Home / 52,528.92-78,743.50-20,958.36

Finding the Fourth Proportional to 52,528.92, 78,743.50 and 20,958.36

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Solution

The fourth proportional to 52,528.92, 78,743.50 and 20,958.36 is: 31,417.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,528.92 : 78,743.50 = 20,958.36 : x
  2. Step 2: Convert to fraction form
    52,528.92/78,743.50 = 20,958.36/x
  3. Step 3: Cross multiply
    52,528.92x = 78,743.50 × 20,958.36
  4. Step 4: Simplify right side
    52,528.92x = 1,650,334,620.66
  5. Step 5: Solve for x
    x = 1,650,334,620.66/52,528.92
  6. Step 6: Final answer
    x = 31,417.64

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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.