Home / 31,260.72-46,891.32-9,075.60

Finding the Fourth Proportional to 31,260.72, 46,891.32 and 9,075.60

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Solution

The fourth proportional to 31,260.72, 46,891.32 and 9,075.60 is: 13,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,260.72 : 46,891.32 = 9,075.60 : x
  2. Step 2: Convert to fraction form
    31,260.72/46,891.32 = 9,075.60/x
  3. Step 3: Cross multiply
    31,260.72x = 46,891.32 × 9,075.60
  4. Step 4: Simplify right side
    31,260.72x = 425,566,863.79
  5. Step 5: Solve for x
    x = 425,566,863.79/31,260.72
  6. Step 6: Final answer
    x = 13,613.47

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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.