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Finding the Fourth Proportional to 52,913.04, 73,019.04 and 29,040

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Solution

The fourth proportional to 52,913.04, 73,019.04 and 29,040 is: 40,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,913.04 : 73,019.04 = 29,040 : x
  2. Step 2: Convert to fraction form
    52,913.04/73,019.04 = 29,040/x
  3. Step 3: Cross multiply
    52,913.04x = 73,019.04 × 29,040
  4. Step 4: Simplify right side
    52,913.04x = 2,120,472,921.60
  5. Step 5: Solve for x
    x = 2,120,472,921.60/52,913.04
  6. Step 6: Final answer
    x = 40,074.68

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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.