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Finding the Fourth Proportional to 58,603.77, 87,905.00 and 14,230.50

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Solution

The fourth proportional to 58,603.77, 87,905.00 and 14,230.50 is: 21,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,603.77 : 87,905.00 = 14,230.50 : x
  2. Step 2: Convert to fraction form
    58,603.77/87,905.00 = 14,230.50/x
  3. Step 3: Cross multiply
    58,603.77x = 87,905.00 × 14,230.50
  4. Step 4: Simplify right side
    58,603.77x = 1,250,932,222.85
  5. Step 5: Solve for x
    x = 1,250,932,222.85/58,603.77
  6. Step 6: Final answer
    x = 21,345.59

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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.