Home / 54,240.95-74,843.88-30,368.63

Finding the Fourth Proportional to 54,240.95, 74,843.88 and 30,368.63

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Solution

The fourth proportional to 54,240.95, 74,843.88 and 30,368.63 is: 41,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,240.95 : 74,843.88 = 30,368.63 : x
  2. Step 2: Convert to fraction form
    54,240.95/74,843.88 = 30,368.63/x
  3. Step 3: Cross multiply
    54,240.95x = 74,843.88 × 30,368.63
  4. Step 4: Simplify right side
    54,240.95x = 2,272,905,947.64
  5. Step 5: Solve for x
    x = 2,272,905,947.64/54,240.95
  6. Step 6: Final answer
    x = 41,903.87

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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.