Home / 55,886.30-83,834.91-20,357.27

Finding the Fourth Proportional to 55,886.30, 83,834.91 and 20,357.27

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Solution

The fourth proportional to 55,886.30, 83,834.91 and 20,357.27 is: 30,537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,886.30 : 83,834.91 = 20,357.27 : x
  2. Step 2: Convert to fraction form
    55,886.30/83,834.91 = 20,357.27/x
  3. Step 3: Cross multiply
    55,886.30x = 83,834.91 × 20,357.27
  4. Step 4: Simplify right side
    55,886.30x = 1,706,649,479.12
  5. Step 5: Solve for x
    x = 1,706,649,479.12/55,886.30
  6. Step 6: Final answer
    x = 30,537.89

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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.