Home / 31,055.40-46,585.80-9,997.56

Finding the Fourth Proportional to 31,055.40, 46,585.80 and 9,997.56

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Solution

The fourth proportional to 31,055.40, 46,585.80 and 9,997.56 is: 14,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,055.40 : 46,585.80 = 9,997.56 : x
  2. Step 2: Convert to fraction form
    31,055.40/46,585.80 = 9,997.56/x
  3. Step 3: Cross multiply
    31,055.40x = 46,585.80 × 9,997.56
  4. Step 4: Simplify right side
    31,055.40x = 465,744,330.65
  5. Step 5: Solve for x
    x = 465,744,330.65/31,055.40
  6. Step 6: Final answer
    x = 14,997.21

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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.