Home / 58,388.40-87,582.54-18,945.51

Finding the Fourth Proportional to 58,388.40, 87,582.54 and 18,945.51

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Solution

The fourth proportional to 58,388.40, 87,582.54 and 18,945.51 is: 28,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,388.40 : 87,582.54 = 18,945.51 : x
  2. Step 2: Convert to fraction form
    58,388.40/87,582.54 = 18,945.51/x
  3. Step 3: Cross multiply
    58,388.40x = 87,582.54 × 18,945.51
  4. Step 4: Simplify right side
    58,388.40x = 1,659,295,887.40
  5. Step 5: Solve for x
    x = 1,659,295,887.40/58,388.40
  6. Step 6: Final answer
    x = 28,418.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.