Home / 55,930.01-77,183.74-30,436.57

Finding the Fourth Proportional to 55,930.01, 77,183.74 and 30,436.57

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Solution

The fourth proportional to 55,930.01, 77,183.74 and 30,436.57 is: 42,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,930.01 : 77,183.74 = 30,436.57 : x
  2. Step 2: Convert to fraction form
    55,930.01/77,183.74 = 30,436.57/x
  3. Step 3: Cross multiply
    55,930.01x = 77,183.74 × 30,436.57
  4. Step 4: Simplify right side
    55,930.01x = 2,349,208,268.69
  5. Step 5: Solve for x
    x = 2,349,208,268.69/55,930.01
  6. Step 6: Final answer
    x = 42,002.65

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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.