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Finding the Fourth Proportional to 58,551, 87,840.48 and 19,108.20

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Solution

The fourth proportional to 58,551, 87,840.48 and 19,108.20 is: 28,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,551 : 87,840.48 = 19,108.20 : x
  2. Step 2: Convert to fraction form
    58,551/87,840.48 = 19,108.20/x
  3. Step 3: Cross multiply
    58,551x = 87,840.48 × 19,108.20
  4. Step 4: Simplify right side
    58,551x = 1,678,473,459.94
  5. Step 5: Solve for x
    x = 1,678,473,459.94/58,551
  6. Step 6: Final answer
    x = 28,666.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.