Home / 55,269.96-76,273.02-30,121.08

Finding the Fourth Proportional to 55,269.96, 76,273.02 and 30,121.08

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Solution

The fourth proportional to 55,269.96, 76,273.02 and 30,121.08 is: 41,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,269.96 : 76,273.02 = 30,121.08 : x
  2. Step 2: Convert to fraction form
    55,269.96/76,273.02 = 30,121.08/x
  3. Step 3: Cross multiply
    55,269.96x = 76,273.02 × 30,121.08
  4. Step 4: Simplify right side
    55,269.96x = 2,297,425,737.26
  5. Step 5: Solve for x
    x = 2,297,425,737.26/55,269.96
  6. Step 6: Final answer
    x = 41,567.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.