Home / 55,681.72-83,536.76-18,244.34

Finding the Fourth Proportional to 55,681.72, 83,536.76 and 18,244.34

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Solution

The fourth proportional to 55,681.72, 83,536.76 and 18,244.34 is: 27,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,681.72 : 83,536.76 = 18,244.34 : x
  2. Step 2: Convert to fraction form
    55,681.72/83,536.76 = 18,244.34/x
  3. Step 3: Cross multiply
    55,681.72x = 83,536.76 × 18,244.34
  4. Step 4: Simplify right side
    55,681.72x = 1,524,073,051.94
  5. Step 5: Solve for x
    x = 1,524,073,051.94/55,681.72
  6. Step 6: Final answer
    x = 27,371.16

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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.