Home / 52,289.48-78,443.64-19,056.20

Finding the Fourth Proportional to 52,289.48, 78,443.64 and 19,056.20

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Solution

The fourth proportional to 52,289.48, 78,443.64 and 19,056.20 is: 28,587.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,289.48 : 78,443.64 = 19,056.20 : x
  2. Step 2: Convert to fraction form
    52,289.48/78,443.64 = 19,056.20/x
  3. Step 3: Cross multiply
    52,289.48x = 78,443.64 × 19,056.20
  4. Step 4: Simplify right side
    52,289.48x = 1,494,837,300.35
  5. Step 5: Solve for x
    x = 1,494,837,300.35/52,289.48
  6. Step 6: Final answer
    x = 28,587.72

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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.