Home / 35,703.80-49,271.64-19,788.56

Finding the Fourth Proportional to 35,703.80, 49,271.64 and 19,788.56

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Solution

The fourth proportional to 35,703.80, 49,271.64 and 19,788.56 is: 27,308.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,703.80 : 49,271.64 = 19,788.56 : x
  2. Step 2: Convert to fraction form
    35,703.80/49,271.64 = 19,788.56/x
  3. Step 3: Cross multiply
    35,703.80x = 49,271.64 × 19,788.56
  4. Step 4: Simplify right side
    35,703.80x = 975,014,804.44
  5. Step 5: Solve for x
    x = 975,014,804.44/35,703.80
  6. Step 6: Final answer
    x = 27,308.43

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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.