Home / 31,588.43-47,341.67-12,846.65

Finding the Fourth Proportional to 31,588.43, 47,341.67 and 12,846.65

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Solution

The fourth proportional to 31,588.43, 47,341.67 and 12,846.65 is: 19,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,588.43 : 47,341.67 = 12,846.65 : x
  2. Step 2: Convert to fraction form
    31,588.43/47,341.67 = 12,846.65/x
  3. Step 3: Cross multiply
    31,588.43x = 47,341.67 × 12,846.65
  4. Step 4: Simplify right side
    31,588.43x = 608,181,563.96
  5. Step 5: Solve for x
    x = 608,181,563.96/31,588.43
  6. Step 6: Final answer
    x = 19,253.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.