Home / 54,009.81-74,537.28-30,141.18

Finding the Fourth Proportional to 54,009.81, 74,537.28 and 30,141.18

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Solution

The fourth proportional to 54,009.81, 74,537.28 and 30,141.18 is: 41,596.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,009.81 : 74,537.28 = 30,141.18 : x
  2. Step 2: Convert to fraction form
    54,009.81/74,537.28 = 30,141.18/x
  3. Step 3: Cross multiply
    54,009.81x = 74,537.28 × 30,141.18
  4. Step 4: Simplify right side
    54,009.81x = 2,246,641,573.19
  5. Step 5: Solve for x
    x = 2,246,641,573.19/54,009.81
  6. Step 6: Final answer
    x = 41,596.92

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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.