Home / 53,959.57-74,464.63-30,087.78

Finding the Fourth Proportional to 53,959.57, 74,464.63 and 30,087.78

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Solution

The fourth proportional to 53,959.57, 74,464.63 and 30,087.78 is: 41,521.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,959.57 : 74,464.63 = 30,087.78 : x
  2. Step 2: Convert to fraction form
    53,959.57/74,464.63 = 30,087.78/x
  3. Step 3: Cross multiply
    53,959.57x = 74,464.63 × 30,087.78
  4. Step 4: Simplify right side
    53,959.57x = 2,240,475,405.22
  5. Step 5: Solve for x
    x = 2,240,475,405.22/53,959.57
  6. Step 6: Final answer
    x = 41,521.37

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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.