Home / 55,950.64-77,213.49-30,458.65

Finding the Fourth Proportional to 55,950.64, 77,213.49 and 30,458.65

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Solution

The fourth proportional to 55,950.64, 77,213.49 and 30,458.65 is: 42,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,950.64 : 77,213.49 = 30,458.65 : x
  2. Step 2: Convert to fraction form
    55,950.64/77,213.49 = 30,458.65/x
  3. Step 3: Cross multiply
    55,950.64x = 77,213.49 × 30,458.65
  4. Step 4: Simplify right side
    55,950.64x = 2,351,818,667.19
  5. Step 5: Solve for x
    x = 2,351,818,667.19/55,950.64
  6. Step 6: Final answer
    x = 42,033.81

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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.