Home / 48,051.09-66,315.51-30,146.85

Finding the Fourth Proportional to 48,051.09, 66,315.51 and 30,146.85

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Solution

The fourth proportional to 48,051.09, 66,315.51 and 30,146.85 is: 41,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,051.09 : 66,315.51 = 30,146.85 : x
  2. Step 2: Convert to fraction form
    48,051.09/66,315.51 = 30,146.85/x
  3. Step 3: Cross multiply
    48,051.09x = 66,315.51 × 30,146.85
  4. Step 4: Simplify right side
    48,051.09x = 1,999,203,732.64
  5. Step 5: Solve for x
    x = 1,999,203,732.64/48,051.09
  6. Step 6: Final answer
    x = 41,605.79

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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.