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Finding the Fourth Proportional to 52,373, 72,284.46 and 30,017

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Solution

The fourth proportional to 52,373, 72,284.46 and 30,017 is: 41,429.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,373 : 72,284.46 = 30,017 : x
  2. Step 2: Convert to fraction form
    52,373/72,284.46 = 30,017/x
  3. Step 3: Cross multiply
    52,373x = 72,284.46 × 30,017
  4. Step 4: Simplify right side
    52,373x = 2,169,762,635.82
  5. Step 5: Solve for x
    x = 2,169,762,635.82/52,373
  6. Step 6: Final answer
    x = 41,429.03

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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.