Home / 52,785.66-72,845.26-28,912.34

Finding the Fourth Proportional to 52,785.66, 72,845.26 and 28,912.34

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Solution

The fourth proportional to 52,785.66, 72,845.26 and 28,912.34 is: 39,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,785.66 : 72,845.26 = 28,912.34 : x
  2. Step 2: Convert to fraction form
    52,785.66/72,845.26 = 28,912.34/x
  3. Step 3: Cross multiply
    52,785.66x = 72,845.26 × 28,912.34
  4. Step 4: Simplify right side
    52,785.66x = 2,106,126,924.51
  5. Step 5: Solve for x
    x = 2,106,126,924.51/52,785.66
  6. Step 6: Final answer
    x = 39,899.60

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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.