Home / 43,021.80-59,353.49-31,718.16

Finding the Fourth Proportional to 43,021.80, 59,353.49 and 31,718.16

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Solution

The fourth proportional to 43,021.80, 59,353.49 and 31,718.16 is: 43,758.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,021.80 : 59,353.49 = 31,718.16 : x
  2. Step 2: Convert to fraction form
    43,021.80/59,353.49 = 31,718.16/x
  3. Step 3: Cross multiply
    43,021.80x = 59,353.49 × 31,718.16
  4. Step 4: Simplify right side
    43,021.80x = 1,882,583,571.67
  5. Step 5: Solve for x
    x = 1,882,583,571.67/43,021.80
  6. Step 6: Final answer
    x = 43,758.83

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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.