Home / 52,027.20-78,044.25-18,289.14

Finding the Fourth Proportional to 52,027.20, 78,044.25 and 18,289.14

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Solution

The fourth proportional to 52,027.20, 78,044.25 and 18,289.14 is: 27,434.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,027.20 : 78,044.25 = 18,289.14 : x
  2. Step 2: Convert to fraction form
    52,027.20/78,044.25 = 18,289.14/x
  3. Step 3: Cross multiply
    52,027.20x = 78,044.25 × 18,289.14
  4. Step 4: Simplify right side
    52,027.20x = 1,427,362,214.45
  5. Step 5: Solve for x
    x = 1,427,362,214.45/52,027.20
  6. Step 6: Final answer
    x = 27,434.92

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1.5x scale

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.