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Finding the Fourth Proportional to 57,992.04, 86,848.47 and 32,970.87

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Solution

The fourth proportional to 57,992.04, 86,848.47 and 32,970.87 is: 49,376.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,992.04 : 86,848.47 = 32,970.87 : x
  2. Step 2: Convert to fraction form
    57,992.04/86,848.47 = 32,970.87/x
  3. Step 3: Cross multiply
    57,992.04x = 86,848.47 × 32,970.87
  4. Step 4: Simplify right side
    57,992.04x = 2,863,469,614.07
  5. Step 5: Solve for x
    x = 2,863,469,614.07/57,992.04
  6. Step 6: Final answer
    x = 49,376.94

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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.