Home / 39,875,832.48-55,027,288.32-21,994,761.48

Finding the Fourth Proportional to 39,875,832.48, 55,027,288.32 and 21,994,761.48

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Solution

The fourth proportional to 39,875,832.48, 55,027,288.32 and 21,994,761.48 is: 30,352,020.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,875,832.48 : 55,027,288.32 = 21,994,761.48 : x
  2. Step 2: Convert to fraction form
    39,875,832.48/55,027,288.32 = 21,994,761.48/x
  3. Step 3: Cross multiply
    39,875,832.48x = 55,027,288.32 × 21,994,761.48
  4. Step 4: Simplify right side
    39,875,832.48x = 1,210,312,081,489,590
  5. Step 5: Solve for x
    x = 1,210,312,081,489,590/39,875,832.48
  6. Step 6: Final answer
    x = 30,352,020.41

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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.