Home / 74,628.60-111,942.90-19,224.60

Finding the Fourth Proportional to 74,628.60, 111,942.90 and 19,224.60

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Solution

The fourth proportional to 74,628.60, 111,942.90 and 19,224.60 is: 28,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,628.60 : 111,942.90 = 19,224.60 : x
  2. Step 2: Convert to fraction form
    74,628.60/111,942.90 = 19,224.60/x
  3. Step 3: Cross multiply
    74,628.60x = 111,942.90 × 19,224.60
  4. Step 4: Simplify right side
    74,628.60x = 2,152,057,475.34
  5. Step 5: Solve for x
    x = 2,152,057,475.34/74,628.60
  6. Step 6: Final answer
    x = 28,836.90

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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.