Home / 55,830.69-83,758.98-18,389.42

Finding the Fourth Proportional to 55,830.69, 83,758.98 and 18,389.42

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Solution

The fourth proportional to 55,830.69, 83,758.98 and 18,389.42 is: 27,588.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,830.69 : 83,758.98 = 18,389.42 : x
  2. Step 2: Convert to fraction form
    55,830.69/83,758.98 = 18,389.42/x
  3. Step 3: Cross multiply
    55,830.69x = 83,758.98 × 18,389.42
  4. Step 4: Simplify right side
    55,830.69x = 1,540,278,643.20
  5. Step 5: Solve for x
    x = 1,540,278,643.20/55,830.69
  6. Step 6: Final answer
    x = 27,588.39

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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.