Home / 52,408.36-72,185.79-40,285.66

Finding the Fourth Proportional to 52,408.36, 72,185.79 and 40,285.66

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Solution

The fourth proportional to 52,408.36, 72,185.79 and 40,285.66 is: 55,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,408.36 : 72,185.79 = 40,285.66 : x
  2. Step 2: Convert to fraction form
    52,408.36/72,185.79 = 40,285.66/x
  3. Step 3: Cross multiply
    52,408.36x = 72,185.79 × 40,285.66
  4. Step 4: Simplify right side
    52,408.36x = 2,908,052,192.77
  5. Step 5: Solve for x
    x = 2,908,052,192.77/52,408.36
  6. Step 6: Final answer
    x = 55,488.33

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1.5x scale

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.