Home / 54,708.63-75,495.71-30,840.26

Finding the Fourth Proportional to 54,708.63, 75,495.71 and 30,840.26

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Solution

The fourth proportional to 54,708.63, 75,495.71 and 30,840.26 is: 42,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,708.63 : 75,495.71 = 30,840.26 : x
  2. Step 2: Convert to fraction form
    54,708.63/75,495.71 = 30,840.26/x
  3. Step 3: Cross multiply
    54,708.63x = 75,495.71 × 30,840.26
  4. Step 4: Simplify right side
    54,708.63x = 2,328,306,793.60
  5. Step 5: Solve for x
    x = 2,328,306,793.60/54,708.63
  6. Step 6: Final answer
    x = 42,558.31

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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.