Home / 58,579.74-87,851.45-21,134.95

Finding the Fourth Proportional to 58,579.74, 87,851.45 and 21,134.95

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Solution

The fourth proportional to 58,579.74, 87,851.45 and 21,134.95 is: 31,695.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,579.74 : 87,851.45 = 21,134.95 : x
  2. Step 2: Convert to fraction form
    58,579.74/87,851.45 = 21,134.95/x
  3. Step 3: Cross multiply
    58,579.74x = 87,851.45 × 21,134.95
  4. Step 4: Simplify right side
    58,579.74x = 1,856,736,007.32
  5. Step 5: Solve for x
    x = 1,856,736,007.32/58,579.74
  6. Step 6: Final answer
    x = 31,695.87

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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.