Home / 52,591.20-78,878.26-19,303.01

Finding the Fourth Proportional to 52,591.20, 78,878.26 and 19,303.01

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Solution

The fourth proportional to 52,591.20, 78,878.26 and 19,303.01 is: 28,951.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,591.20 : 78,878.26 = 19,303.01 : x
  2. Step 2: Convert to fraction form
    52,591.20/78,878.26 = 19,303.01/x
  3. Step 3: Cross multiply
    52,591.20x = 78,878.26 × 19,303.01
  4. Step 4: Simplify right side
    52,591.20x = 1,522,587,658.51
  5. Step 5: Solve for x
    x = 1,522,587,658.51/52,591.20
  6. Step 6: Final answer
    x = 28,951.38

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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.