Home / 55,958.04-77,222.97-30,807.54

Finding the Fourth Proportional to 55,958.04, 77,222.97 and 30,807.54

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Solution

The fourth proportional to 55,958.04, 77,222.97 and 30,807.54 is: 42,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,958.04 : 77,222.97 = 30,807.54 : x
  2. Step 2: Convert to fraction form
    55,958.04/77,222.97 = 30,807.54/x
  3. Step 3: Cross multiply
    55,958.04x = 77,222.97 × 30,807.54
  4. Step 4: Simplify right side
    55,958.04x = 2,379,049,737.19
  5. Step 5: Solve for x
    x = 2,379,049,737.19/55,958.04
  6. Step 6: Final answer
    x = 42,514.89

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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.