Home / 53,430.48-73,732.26-29,231.34

Finding the Fourth Proportional to 53,430.48, 73,732.26 and 29,231.34

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Solution

The fourth proportional to 53,430.48, 73,732.26 and 29,231.34 is: 40,338.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,430.48 : 73,732.26 = 29,231.34 : x
  2. Step 2: Convert to fraction form
    53,430.48/73,732.26 = 29,231.34/x
  3. Step 3: Cross multiply
    53,430.48x = 73,732.26 × 29,231.34
  4. Step 4: Simplify right side
    53,430.48x = 2,155,292,761.03
  5. Step 5: Solve for x
    x = 2,155,292,761.03/53,430.48
  6. Step 6: Final answer
    x = 40,338.26

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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.