Home / 45,485.50-68,230.68-14,323.18

Finding the Fourth Proportional to 45,485.50, 68,230.68 and 14,323.18

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Solution

The fourth proportional to 45,485.50, 68,230.68 and 14,323.18 is: 21,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,485.50 : 68,230.68 = 14,323.18 : x
  2. Step 2: Convert to fraction form
    45,485.50/68,230.68 = 14,323.18/x
  3. Step 3: Cross multiply
    45,485.50x = 68,230.68 × 14,323.18
  4. Step 4: Simplify right side
    45,485.50x = 977,280,311.16
  5. Step 5: Solve for x
    x = 977,280,311.16/45,485.50
  6. Step 6: Final answer
    x = 21,485.54

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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.