Home / 31,254.23-46,884.99-12,540.80

Finding the Fourth Proportional to 31,254.23, 46,884.99 and 12,540.80

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Solution

The fourth proportional to 31,254.23, 46,884.99 and 12,540.80 is: 18,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.23 : 46,884.99 = 12,540.80 : x
  2. Step 2: Convert to fraction form
    31,254.23/46,884.99 = 12,540.80/x
  3. Step 3: Cross multiply
    31,254.23x = 46,884.99 × 12,540.80
  4. Step 4: Simplify right side
    31,254.23x = 587,975,282.59
  5. Step 5: Solve for x
    x = 587,975,282.59/31,254.23
  6. Step 6: Final answer
    x = 18,812.66

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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.