Home / 54,151.40-74,730.59-30,282.32

Finding the Fourth Proportional to 54,151.40, 74,730.59 and 30,282.32

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Solution

The fourth proportional to 54,151.40, 74,730.59 and 30,282.32 is: 41,790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,151.40 : 74,730.59 = 30,282.32 : x
  2. Step 2: Convert to fraction form
    54,151.40/74,730.59 = 30,282.32/x
  3. Step 3: Cross multiply
    54,151.40x = 74,730.59 × 30,282.32
  4. Step 4: Simplify right side
    54,151.40x = 2,263,015,115.10
  5. Step 5: Solve for x
    x = 2,263,015,115.10/54,151.40
  6. Step 6: Final answer
    x = 41,790.52

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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.