Home / 40,083.70-55,311.52-22,178.24

Finding the Fourth Proportional to 40,083.70, 55,311.52 and 22,178.24

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Solution

The fourth proportional to 40,083.70, 55,311.52 and 22,178.24 is: 30,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,083.70 : 55,311.52 = 22,178.24 : x
  2. Step 2: Convert to fraction form
    40,083.70/55,311.52 = 22,178.24/x
  3. Step 3: Cross multiply
    40,083.70x = 55,311.52 × 22,178.24
  4. Step 4: Simplify right side
    40,083.70x = 1,226,712,165.32
  5. Step 5: Solve for x
    x = 1,226,712,165.32/40,083.70
  6. Step 6: Final answer
    x = 30,603.77

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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.