Home / 35,739.27-49,322.40-20,634.69

Finding the Fourth Proportional to 35,739.27, 49,322.40 and 20,634.69

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Solution

The fourth proportional to 35,739.27, 49,322.40 and 20,634.69 is: 28,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,739.27 : 49,322.40 = 20,634.69 : x
  2. Step 2: Convert to fraction form
    35,739.27/49,322.40 = 20,634.69/x
  3. Step 3: Cross multiply
    35,739.27x = 49,322.40 × 20,634.69
  4. Step 4: Simplify right side
    35,739.27x = 1,017,752,434.06
  5. Step 5: Solve for x
    x = 1,017,752,434.06/35,739.27
  6. Step 6: Final answer
    x = 28,477.15

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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.