Home / 58,414.30-87,643.05-18,972.70

Finding the Fourth Proportional to 58,414.30, 87,643.05 and 18,972.70

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Solution

The fourth proportional to 58,414.30, 87,643.05 and 18,972.70 is: 28,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,414.30 : 87,643.05 = 18,972.70 : x
  2. Step 2: Convert to fraction form
    58,414.30/87,643.05 = 18,972.70/x
  3. Step 3: Cross multiply
    58,414.30x = 87,643.05 × 18,972.70
  4. Step 4: Simplify right side
    58,414.30x = 1,662,825,294.74
  5. Step 5: Solve for x
    x = 1,662,825,294.74/58,414.30
  6. Step 6: Final answer
    x = 28,466.07

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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.