Home / 55,683.07-83,540.15-18,269.45

Finding the Fourth Proportional to 55,683.07, 83,540.15 and 18,269.45

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Solution

The fourth proportional to 55,683.07, 83,540.15 and 18,269.45 is: 27,409.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,683.07 : 83,540.15 = 18,269.45 : x
  2. Step 2: Convert to fraction form
    55,683.07/83,540.15 = 18,269.45/x
  3. Step 3: Cross multiply
    55,683.07x = 83,540.15 × 18,269.45
  4. Step 4: Simplify right side
    55,683.07x = 1,526,232,779.43
  5. Step 5: Solve for x
    x = 1,526,232,779.43/55,683.07
  6. Step 6: Final answer
    x = 27,409.28

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1.5x scale

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.