Home / 31,253.23-46,883.49-12,539.80

Finding the Fourth Proportional to 31,253.23, 46,883.49 and 12,539.80

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Solution

The fourth proportional to 31,253.23, 46,883.49 and 12,539.80 is: 18,811.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,253.23 : 46,883.49 = 12,539.80 : x
  2. Step 2: Convert to fraction form
    31,253.23/46,883.49 = 12,539.80/x
  3. Step 3: Cross multiply
    31,253.23x = 46,883.49 × 12,539.80
  4. Step 4: Simplify right side
    31,253.23x = 587,909,587.90
  5. Step 5: Solve for x
    x = 587,909,587.90/31,253.23
  6. Step 6: Final answer
    x = 18,811.16

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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.