Home / 31,071.56-46,608.96-8,888.20

Finding the Fourth Proportional to 31,071.56, 46,608.96 and 8,888.20

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Solution

The fourth proportional to 31,071.56, 46,608.96 and 8,888.20 is: 13,332.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,071.56 : 46,608.96 = 8,888.20 : x
  2. Step 2: Convert to fraction form
    31,071.56/46,608.96 = 8,888.20/x
  3. Step 3: Cross multiply
    31,071.56x = 46,608.96 × 8,888.20
  4. Step 4: Simplify right side
    31,071.56x = 414,269,758.27
  5. Step 5: Solve for x
    x = 414,269,758.27/31,071.56
  6. Step 6: Final answer
    x = 13,332.76

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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.