Home / 64,921.19-89,590.86-36,239.18

Finding the Fourth Proportional to 64,921.19, 89,590.86 and 36,239.18

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Solution

The fourth proportional to 64,921.19, 89,590.86 and 36,239.18 is: 50,009.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,921.19 : 89,590.86 = 36,239.18 : x
  2. Step 2: Convert to fraction form
    64,921.19/89,590.86 = 36,239.18/x
  3. Step 3: Cross multiply
    64,921.19x = 89,590.86 × 36,239.18
  4. Step 4: Simplify right side
    64,921.19x = 3,246,699,525.87
  5. Step 5: Solve for x
    x = 3,246,699,525.87/64,921.19
  6. Step 6: Final answer
    x = 50,009.86

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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.