Home / 55,869.60-83,857.06-20,365.23

Finding the Fourth Proportional to 55,869.60, 83,857.06 and 20,365.23

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Solution

The fourth proportional to 55,869.60, 83,857.06 and 20,365.23 is: 30,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,869.60 : 83,857.06 = 20,365.23 : x
  2. Step 2: Convert to fraction form
    55,869.60/83,857.06 = 20,365.23/x
  3. Step 3: Cross multiply
    55,869.60x = 83,857.06 × 20,365.23
  4. Step 4: Simplify right side
    55,869.60x = 1,707,768,653.94
  5. Step 5: Solve for x
    x = 1,707,768,653.94/55,869.60
  6. Step 6: Final answer
    x = 30,567.05

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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.