Home / 40,855.78-56,381.16-22,956.94

Finding the Fourth Proportional to 40,855.78, 56,381.16 and 22,956.94

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Solution

The fourth proportional to 40,855.78, 56,381.16 and 22,956.94 is: 31,680.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,855.78 : 56,381.16 = 22,956.94 : x
  2. Step 2: Convert to fraction form
    40,855.78/56,381.16 = 22,956.94/x
  3. Step 3: Cross multiply
    40,855.78x = 56,381.16 × 22,956.94
  4. Step 4: Simplify right side
    40,855.78x = 1,294,338,907.25
  5. Step 5: Solve for x
    x = 1,294,338,907.25/40,855.78
  6. Step 6: Final answer
    x = 31,680.68

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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.