Home / 53,010.64-73,157.34-29,140.48

Finding the Fourth Proportional to 53,010.64, 73,157.34 and 29,140.48

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Solution

The fourth proportional to 53,010.64, 73,157.34 and 29,140.48 is: 40,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,010.64 : 73,157.34 = 29,140.48 : x
  2. Step 2: Convert to fraction form
    53,010.64/73,157.34 = 29,140.48/x
  3. Step 3: Cross multiply
    53,010.64x = 73,157.34 × 29,140.48
  4. Step 4: Simplify right side
    53,010.64x = 2,131,840,003.12
  5. Step 5: Solve for x
    x = 2,131,840,003.12/53,010.64
  6. Step 6: Final answer
    x = 40,215.32

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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.