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Finding the Fourth Proportional to 58,447.00, 87,533.81 and 28,769.41

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Solution

The fourth proportional to 58,447.00, 87,533.81 and 28,769.41 is: 43,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,447.00 : 87,533.81 = 28,769.41 : x
  2. Step 2: Convert to fraction form
    58,447.00/87,533.81 = 28,769.41/x
  3. Step 3: Cross multiply
    58,447.00x = 87,533.81 × 28,769.41
  4. Step 4: Simplify right side
    58,447.00x = 2,518,295,487.24
  5. Step 5: Solve for x
    x = 2,518,295,487.24/58,447.00
  6. Step 6: Final answer
    x = 43,086.83

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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.