Home / 58,351.28-87,520.52-18,897.80

Finding the Fourth Proportional to 58,351.28, 87,520.52 and 18,897.80

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Solution

The fourth proportional to 58,351.28, 87,520.52 and 18,897.80 is: 28,344.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,351.28 : 87,520.52 = 18,897.80 : x
  2. Step 2: Convert to fraction form
    58,351.28/87,520.52 = 18,897.80/x
  3. Step 3: Cross multiply
    58,351.28x = 87,520.52 × 18,897.80
  4. Step 4: Simplify right side
    58,351.28x = 1,653,944,750.76
  5. Step 5: Solve for x
    x = 1,653,944,750.76/58,351.28
  6. Step 6: Final answer
    x = 28,344.62

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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.