Home / 31,255.26-46,901.11-18,799.08

Finding the Fourth Proportional to 31,255.26, 46,901.11 and 18,799.08

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Solution

The fourth proportional to 31,255.26, 46,901.11 and 18,799.08 is: 28,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.26 : 46,901.11 = 18,799.08 : x
  2. Step 2: Convert to fraction form
    31,255.26/46,901.11 = 18,799.08/x
  3. Step 3: Cross multiply
    31,255.26x = 46,901.11 × 18,799.08
  4. Step 4: Simplify right side
    31,255.26x = 881,697,718.98
  5. Step 5: Solve for x
    x = 881,697,718.98/31,255.26
  6. Step 6: Final answer
    x = 28,209.58

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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.