Home / 58,190.30-87,285.52-18,753.30

Finding the Fourth Proportional to 58,190.30, 87,285.52 and 18,753.30

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Solution

The fourth proportional to 58,190.30, 87,285.52 and 18,753.30 is: 28,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,190.30 : 87,285.52 = 18,753.30 : x
  2. Step 2: Convert to fraction form
    58,190.30/87,285.52 = 18,753.30/x
  3. Step 3: Cross multiply
    58,190.30x = 87,285.52 × 18,753.30
  4. Step 4: Simplify right side
    58,190.30x = 1,636,891,542.22
  5. Step 5: Solve for x
    x = 1,636,891,542.22/58,190.30
  6. Step 6: Final answer
    x = 28,129.97

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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.