Home / 20,036.60-30,056.45-6,709.64

Finding the Fourth Proportional to 20,036.60, 30,056.45 and 6,709.64

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Solution

The fourth proportional to 20,036.60, 30,056.45 and 6,709.64 is: 10,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.60 : 30,056.45 = 6,709.64 : x
  2. Step 2: Convert to fraction form
    20,036.60/30,056.45 = 6,709.64/x
  3. Step 3: Cross multiply
    20,036.60x = 30,056.45 × 6,709.64
  4. Step 4: Simplify right side
    20,036.60x = 201,667,825.67
  5. Step 5: Solve for x
    x = 201,667,825.67/20,036.60
  6. Step 6: Final answer
    x = 10,064.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.