Home / 35,739.77-49,323.09-20,635.19

Finding the Fourth Proportional to 35,739.77, 49,323.09 and 20,635.19

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Solution

The fourth proportional to 35,739.77, 49,323.09 and 20,635.19 is: 28,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,739.77 : 49,323.09 = 20,635.19 : x
  2. Step 2: Convert to fraction form
    35,739.77/49,323.09 = 20,635.19/x
  3. Step 3: Cross multiply
    35,739.77x = 49,323.09 × 20,635.19
  4. Step 4: Simplify right side
    35,739.77x = 1,017,791,333.54
  5. Step 5: Solve for x
    x = 1,017,791,333.54/35,739.77
  6. Step 6: Final answer
    x = 28,477.84

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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.