Home / 53,038.03-73,192.94-30,379.09

Finding the Fourth Proportional to 53,038.03, 73,192.94 and 30,379.09

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Solution

The fourth proportional to 53,038.03, 73,192.94 and 30,379.09 is: 41,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,038.03 : 73,192.94 = 30,379.09 : x
  2. Step 2: Convert to fraction form
    53,038.03/73,192.94 = 30,379.09/x
  3. Step 3: Cross multiply
    53,038.03x = 73,192.94 × 30,379.09
  4. Step 4: Simplify right side
    53,038.03x = 2,223,534,911.62
  5. Step 5: Solve for x
    x = 2,223,534,911.62/53,038.03
  6. Step 6: Final answer
    x = 41,923.41

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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.