Home / 35,479.06-48,945.74-20,368.26

Finding the Fourth Proportional to 35,479.06, 48,945.74 and 20,368.26

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Solution

The fourth proportional to 35,479.06, 48,945.74 and 20,368.26 is: 28,099.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,479.06 : 48,945.74 = 20,368.26 : x
  2. Step 2: Convert to fraction form
    35,479.06/48,945.74 = 20,368.26/x
  3. Step 3: Cross multiply
    35,479.06x = 48,945.74 × 20,368.26
  4. Step 4: Simplify right side
    35,479.06x = 996,939,628.23
  5. Step 5: Solve for x
    x = 996,939,628.23/35,479.06
  6. Step 6: Final answer
    x = 28,099.38

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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.