Home / 20,037.42-30,071.58-19,009.62

Finding the Fourth Proportional to 20,037.42, 30,071.58 and 19,009.62

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Solution

The fourth proportional to 20,037.42, 30,071.58 and 19,009.62 is: 28,529.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.42 : 30,071.58 = 19,009.62 : x
  2. Step 2: Convert to fraction form
    20,037.42/30,071.58 = 19,009.62/x
  3. Step 3: Cross multiply
    20,037.42x = 30,071.58 × 19,009.62
  4. Step 4: Simplify right side
    20,037.42x = 571,649,308.60
  5. Step 5: Solve for x
    x = 571,649,308.60/20,037.42
  6. Step 6: Final answer
    x = 28,529.09

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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.