Home / 53,204.44-79,808.13-13,221.81

Finding the Fourth Proportional to 53,204.44, 79,808.13 and 13,221.81

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Solution

The fourth proportional to 53,204.44, 79,808.13 and 13,221.81 is: 19,833.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,204.44 : 79,808.13 = 13,221.81 : x
  2. Step 2: Convert to fraction form
    53,204.44/79,808.13 = 13,221.81/x
  3. Step 3: Cross multiply
    53,204.44x = 79,808.13 × 13,221.81
  4. Step 4: Simplify right side
    53,204.44x = 1,055,207,931.32
  5. Step 5: Solve for x
    x = 1,055,207,931.32/53,204.44
  6. Step 6: Final answer
    x = 19,833.08

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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.