Home / 58,320.91-87,495.24-18,878.02

Finding the Fourth Proportional to 58,320.91, 87,495.24 and 18,878.02

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Solution

The fourth proportional to 58,320.91, 87,495.24 and 18,878.02 is: 28,321.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,320.91 : 87,495.24 = 18,878.02 : x
  2. Step 2: Convert to fraction form
    58,320.91/87,495.24 = 18,878.02/x
  3. Step 3: Cross multiply
    58,320.91x = 87,495.24 × 18,878.02
  4. Step 4: Simplify right side
    58,320.91x = 1,651,736,453.15
  5. Step 5: Solve for x
    x = 1,651,736,453.15/58,320.91
  6. Step 6: Final answer
    x = 28,321.52

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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.