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Finding the Fourth Proportional to 51,795.47, 71,477.35 and 29,439.47

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Solution

The fourth proportional to 51,795.47, 71,477.35 and 29,439.47 is: 40,626.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,795.47 : 71,477.35 = 29,439.47 : x
  2. Step 2: Convert to fraction form
    51,795.47/71,477.35 = 29,439.47/x
  3. Step 3: Cross multiply
    51,795.47x = 71,477.35 × 29,439.47
  4. Step 4: Simplify right side
    51,795.47x = 2,104,255,301.00
  5. Step 5: Solve for x
    x = 2,104,255,301.00/51,795.47
  6. Step 6: Final answer
    x = 40,626.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.