Home / 42,209.07-63,289.62-17,219.85

Finding the Fourth Proportional to 42,209.07, 63,289.62 and 17,219.85

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Solution

The fourth proportional to 42,209.07, 63,289.62 and 17,219.85 is: 25,819.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,209.07 : 63,289.62 = 17,219.85 : x
  2. Step 2: Convert to fraction form
    42,209.07/63,289.62 = 17,219.85/x
  3. Step 3: Cross multiply
    42,209.07x = 63,289.62 × 17,219.85
  4. Step 4: Simplify right side
    42,209.07x = 1,089,837,762.96
  5. Step 5: Solve for x
    x = 1,089,837,762.96/42,209.07
  6. Step 6: Final answer
    x = 25,819.99

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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.