Home / 42,410.60-63,615.90-12,825.35

Finding the Fourth Proportional to 42,410.60, 63,615.90 and 12,825.35

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Solution

The fourth proportional to 42,410.60, 63,615.90 and 12,825.35 is: 19,238.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,410.60 : 63,615.90 = 12,825.35 : x
  2. Step 2: Convert to fraction form
    42,410.60/63,615.90 = 12,825.35/x
  3. Step 3: Cross multiply
    42,410.60x = 63,615.90 × 12,825.35
  4. Step 4: Simplify right side
    42,410.60x = 815,896,183.07
  5. Step 5: Solve for x
    x = 815,896,183.07/42,410.60
  6. Step 6: Final answer
    x = 19,238.03

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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.