Home / 30,647.85-45,959.88-11,925.39

Finding the Fourth Proportional to 30,647.85, 45,959.88 and 11,925.39

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Solution

The fourth proportional to 30,647.85, 45,959.88 and 11,925.39 is: 17,883.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,647.85 : 45,959.88 = 11,925.39 : x
  2. Step 2: Convert to fraction form
    30,647.85/45,959.88 = 11,925.39/x
  3. Step 3: Cross multiply
    30,647.85x = 45,959.88 × 11,925.39
  4. Step 4: Simplify right side
    30,647.85x = 548,089,493.35
  5. Step 5: Solve for x
    x = 548,089,493.35/30,647.85
  6. Step 6: Final answer
    x = 17,883.46

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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.