Home / 64,904-89,570.64-36,609.04

Finding the Fourth Proportional to 64,904, 89,570.64 and 36,609.04

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Solution

The fourth proportional to 64,904, 89,570.64 and 36,609.04 is: 50,522.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,904 : 89,570.64 = 36,609.04 : x
  2. Step 2: Convert to fraction form
    64,904/89,570.64 = 36,609.04/x
  3. Step 3: Cross multiply
    64,904x = 89,570.64 × 36,609.04
  4. Step 4: Simplify right side
    64,904x = 3,279,095,142.59
  5. Step 5: Solve for x
    x = 3,279,095,142.59/64,904
  6. Step 6: Final answer
    x = 50,522.24

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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.