Home / 39,314.67-54,247.05-22,319.61

Finding the Fourth Proportional to 39,314.67, 54,247.05 and 22,319.61

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Solution

The fourth proportional to 39,314.67, 54,247.05 and 22,319.61 is: 30,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,314.67 : 54,247.05 = 22,319.61 : x
  2. Step 2: Convert to fraction form
    39,314.67/54,247.05 = 22,319.61/x
  3. Step 3: Cross multiply
    39,314.67x = 54,247.05 × 22,319.61
  4. Step 4: Simplify right side
    39,314.67x = 1,210,772,999.65
  5. Step 5: Solve for x
    x = 1,210,772,999.65/39,314.67
  6. Step 6: Final answer
    x = 30,796.98

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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.