Home / 53,309.37-79,991.73-21,742.59

Finding the Fourth Proportional to 53,309.37, 79,991.73 and 21,742.59

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Solution

The fourth proportional to 53,309.37, 79,991.73 and 21,742.59 is: 32,625.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,309.37 : 79,991.73 = 21,742.59 : x
  2. Step 2: Convert to fraction form
    53,309.37/79,991.73 = 21,742.59/x
  3. Step 3: Cross multiply
    53,309.37x = 79,991.73 × 21,742.59
  4. Step 4: Simplify right side
    53,309.37x = 1,739,226,880.11
  5. Step 5: Solve for x
    x = 1,739,226,880.11/53,309.37
  6. Step 6: Final answer
    x = 32,625.17

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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.