Home / 34,258.75-51,374.49-13,187.05

Finding the Fourth Proportional to 34,258.75, 51,374.49 and 13,187.05

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Solution

The fourth proportional to 34,258.75, 51,374.49 and 13,187.05 is: 19,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,258.75 : 51,374.49 = 13,187.05 : x
  2. Step 2: Convert to fraction form
    34,258.75/51,374.49 = 13,187.05/x
  3. Step 3: Cross multiply
    34,258.75x = 51,374.49 × 13,187.05
  4. Step 4: Simplify right side
    34,258.75x = 677,477,968.35
  5. Step 5: Solve for x
    x = 677,477,968.35/34,258.75
  6. Step 6: Final answer
    x = 19,775.33

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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.