Home / 52,330.75-78,448.63-19,027.28

Finding the Fourth Proportional to 52,330.75, 78,448.63 and 19,027.28

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Solution

The fourth proportional to 52,330.75, 78,448.63 and 19,027.28 is: 28,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,330.75 : 78,448.63 = 19,027.28 : x
  2. Step 2: Convert to fraction form
    52,330.75/78,448.63 = 19,027.28/x
  3. Step 3: Cross multiply
    52,330.75x = 78,448.63 × 19,027.28
  4. Step 4: Simplify right side
    52,330.75x = 1,492,664,048.63
  5. Step 5: Solve for x
    x = 1,492,664,048.63/52,330.75
  6. Step 6: Final answer
    x = 28,523.65

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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.