Home / 35,725.44-49,303.38-20,620.90

Finding the Fourth Proportional to 35,725.44, 49,303.38 and 20,620.90

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Solution

The fourth proportional to 35,725.44, 49,303.38 and 20,620.90 is: 28,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,725.44 : 49,303.38 = 20,620.90 : x
  2. Step 2: Convert to fraction form
    35,725.44/49,303.38 = 20,620.90/x
  3. Step 3: Cross multiply
    35,725.44x = 49,303.38 × 20,620.90
  4. Step 4: Simplify right side
    35,725.44x = 1,016,680,068.64
  5. Step 5: Solve for x
    x = 1,016,680,068.64/35,725.44
  6. Step 6: Final answer
    x = 28,458.15

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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.