Home / 35,454.09-48,928.22-20,347.39

Finding the Fourth Proportional to 35,454.09, 48,928.22 and 20,347.39

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Solution

The fourth proportional to 35,454.09, 48,928.22 and 20,347.39 is: 28,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,454.09 : 48,928.22 = 20,347.39 : x
  2. Step 2: Convert to fraction form
    35,454.09/48,928.22 = 20,347.39/x
  3. Step 3: Cross multiply
    35,454.09x = 48,928.22 × 20,347.39
  4. Step 4: Simplify right side
    35,454.09x = 995,561,574.35
  5. Step 5: Solve for x
    x = 995,561,574.35/35,454.09
  6. Step 6: Final answer
    x = 28,080.30

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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.