Home / 52,478.56-78,704.40-15,533.92

Finding the Fourth Proportional to 52,478.56, 78,704.40 and 15,533.92

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Solution

The fourth proportional to 52,478.56, 78,704.40 and 15,533.92 is: 23,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,478.56 : 78,704.40 = 15,533.92 : x
  2. Step 2: Convert to fraction form
    52,478.56/78,704.40 = 15,533.92/x
  3. Step 3: Cross multiply
    52,478.56x = 78,704.40 × 15,533.92
  4. Step 4: Simplify right side
    52,478.56x = 1,222,587,853.25
  5. Step 5: Solve for x
    x = 1,222,587,853.25/52,478.56
  6. Step 6: Final answer
    x = 23,296.90

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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.