Home / 54,007.85-74,518.90-31,333.70

Finding the Fourth Proportional to 54,007.85, 74,518.90 and 31,333.70

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Solution

The fourth proportional to 54,007.85, 74,518.90 and 31,333.70 is: 43,233.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,007.85 : 74,518.90 = 31,333.70 : x
  2. Step 2: Convert to fraction form
    54,007.85/74,518.90 = 31,333.70/x
  3. Step 3: Cross multiply
    54,007.85x = 74,518.90 × 31,333.70
  4. Step 4: Simplify right side
    54,007.85x = 2,334,952,964.89
  5. Step 5: Solve for x
    x = 2,334,952,964.89/54,007.85
  6. Step 6: Final answer
    x = 43,233.58

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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.