Home / 45,895.06-68,842.32-12,619.72

Finding the Fourth Proportional to 45,895.06, 68,842.32 and 12,619.72

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Solution

The fourth proportional to 45,895.06, 68,842.32 and 12,619.72 is: 18,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,895.06 : 68,842.32 = 12,619.72 : x
  2. Step 2: Convert to fraction form
    45,895.06/68,842.32 = 12,619.72/x
  3. Step 3: Cross multiply
    45,895.06x = 68,842.32 × 12,619.72
  4. Step 4: Simplify right side
    45,895.06x = 868,770,802.55
  5. Step 5: Solve for x
    x = 868,770,802.55/45,895.06
  6. Step 6: Final answer
    x = 18,929.51

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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.