Home / 55,600.10-76,733.60-31,730.36

Finding the Fourth Proportional to 55,600.10, 76,733.60 and 31,730.36

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Solution

The fourth proportional to 55,600.10, 76,733.60 and 31,730.36 is: 43,791.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,600.10 : 76,733.60 = 31,730.36 : x
  2. Step 2: Convert to fraction form
    55,600.10/76,733.60 = 31,730.36/x
  3. Step 3: Cross multiply
    55,600.10x = 76,733.60 × 31,730.36
  4. Step 4: Simplify right side
    55,600.10x = 2,434,784,693.31
  5. Step 5: Solve for x
    x = 2,434,784,693.31/55,600.10
  6. Step 6: Final answer
    x = 43,791.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.