Home / 34,839.12-48,078.88-18,924.48

Finding the Fourth Proportional to 34,839.12, 48,078.88 and 18,924.48

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Solution

The fourth proportional to 34,839.12, 48,078.88 and 18,924.48 is: 26,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,839.12 : 48,078.88 = 18,924.48 : x
  2. Step 2: Convert to fraction form
    34,839.12/48,078.88 = 18,924.48/x
  3. Step 3: Cross multiply
    34,839.12x = 48,078.88 × 18,924.48
  4. Step 4: Simplify right side
    34,839.12x = 909,867,802.98
  5. Step 5: Solve for x
    x = 909,867,802.98/34,839.12
  6. Step 6: Final answer
    x = 26,116.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.