Home / 31,899.96-47,775.78-30,792.60

Finding the Fourth Proportional to 31,899.96, 47,775.78 and 30,792.60

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Solution

The fourth proportional to 31,899.96, 47,775.78 and 30,792.60 is: 46,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,899.96 : 47,775.78 = 30,792.60 : x
  2. Step 2: Convert to fraction form
    31,899.96/47,775.78 = 30,792.60/x
  3. Step 3: Cross multiply
    31,899.96x = 47,775.78 × 30,792.60
  4. Step 4: Simplify right side
    31,899.96x = 1,471,140,483.23
  5. Step 5: Solve for x
    x = 1,471,140,483.23/31,899.96
  6. Step 6: Final answer
    x = 46,117.31

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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.