Home / 53,007.22-73,149.42-29,133.40

Finding the Fourth Proportional to 53,007.22, 73,149.42 and 29,133.40

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Solution

The fourth proportional to 53,007.22, 73,149.42 and 29,133.40 is: 40,203.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,007.22 : 73,149.42 = 29,133.40 : x
  2. Step 2: Convert to fraction form
    53,007.22/73,149.42 = 29,133.40/x
  3. Step 3: Cross multiply
    53,007.22x = 73,149.42 × 29,133.40
  4. Step 4: Simplify right side
    53,007.22x = 2,131,091,312.63
  5. Step 5: Solve for x
    x = 2,131,091,312.63/53,007.22
  6. Step 6: Final answer
    x = 40,203.79

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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.