Home / 40,319.98-55,644.93-22,416.65

Finding the Fourth Proportional to 40,319.98, 55,644.93 and 22,416.65

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Solution

The fourth proportional to 40,319.98, 55,644.93 and 22,416.65 is: 30,936.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.98 : 55,644.93 = 22,416.65 : x
  2. Step 2: Convert to fraction form
    40,319.98/55,644.93 = 22,416.65/x
  3. Step 3: Cross multiply
    40,319.98x = 55,644.93 × 22,416.65
  4. Step 4: Simplify right side
    40,319.98x = 1,247,372,920.08
  5. Step 5: Solve for x
    x = 1,247,372,920.08/40,319.98
  6. Step 6: Final answer
    x = 30,936.85

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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.