Home / 31,132.56-46,674-11,400.12

Finding the Fourth Proportional to 31,132.56, 46,674 and 11,400.12

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Solution

The fourth proportional to 31,132.56, 46,674 and 11,400.12 is: 17,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,132.56 : 46,674 = 11,400.12 : x
  2. Step 2: Convert to fraction form
    31,132.56/46,674 = 11,400.12/x
  3. Step 3: Cross multiply
    31,132.56x = 46,674 × 11,400.12
  4. Step 4: Simplify right side
    31,132.56x = 532,089,200.88
  5. Step 5: Solve for x
    x = 532,089,200.88/31,132.56
  6. Step 6: Final answer
    x = 17,091.08

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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.