Home / 53,012.97-73,158.05-30,352.31

Finding the Fourth Proportional to 53,012.97, 73,158.05 and 30,352.31

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Solution

The fourth proportional to 53,012.97, 73,158.05 and 30,352.31 is: 41,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012.97 : 73,158.05 = 30,352.31 : x
  2. Step 2: Convert to fraction form
    53,012.97/73,158.05 = 30,352.31/x
  3. Step 3: Cross multiply
    53,012.97x = 73,158.05 × 30,352.31
  4. Step 4: Simplify right side
    53,012.97x = 2,220,515,812.60
  5. Step 5: Solve for x
    x = 2,220,515,812.60/53,012.97
  6. Step 6: Final answer
    x = 41,886.27

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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.