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Finding the Fourth Proportional to 52,957.40, 79,373.45 and 23,313.29

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Solution

The fourth proportional to 52,957.40, 79,373.45 and 23,313.29 is: 34,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,957.40 : 79,373.45 = 23,313.29 : x
  2. Step 2: Convert to fraction form
    52,957.40/79,373.45 = 23,313.29/x
  3. Step 3: Cross multiply
    52,957.40x = 79,373.45 × 23,313.29
  4. Step 4: Simplify right side
    52,957.40x = 1,850,455,919.57
  5. Step 5: Solve for x
    x = 1,850,455,919.57/52,957.40
  6. Step 6: Final answer
    x = 34,942.35

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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.