Home / 55,951.05-77,214.34-30,458.35

Finding the Fourth Proportional to 55,951.05, 77,214.34 and 30,458.35

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Solution

The fourth proportional to 55,951.05, 77,214.34 and 30,458.35 is: 42,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,951.05 : 77,214.34 = 30,458.35 : x
  2. Step 2: Convert to fraction form
    55,951.05/77,214.34 = 30,458.35/x
  3. Step 3: Cross multiply
    55,951.05x = 77,214.34 × 30,458.35
  4. Step 4: Simplify right side
    55,951.05x = 2,351,821,392.74
  5. Step 5: Solve for x
    x = 2,351,821,392.74/55,951.05
  6. Step 6: Final answer
    x = 42,033.55

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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.