Home / 49,375.36-74,070.74-21,303.33

Finding the Fourth Proportional to 49,375.36, 74,070.74 and 21,303.33

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Solution

The fourth proportional to 49,375.36, 74,070.74 and 21,303.33 is: 31,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,375.36 : 74,070.74 = 21,303.33 : x
  2. Step 2: Convert to fraction form
    49,375.36/74,070.74 = 21,303.33/x
  3. Step 3: Cross multiply
    49,375.36x = 74,070.74 × 21,303.33
  4. Step 4: Simplify right side
    49,375.36x = 1,577,953,417.56
  5. Step 5: Solve for x
    x = 1,577,953,417.56/49,375.36
  6. Step 6: Final answer
    x = 31,958.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.