Home / 45,319.84-67,986.65-23,121.09

Finding the Fourth Proportional to 45,319.84, 67,986.65 and 23,121.09

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Solution

The fourth proportional to 45,319.84, 67,986.65 and 23,121.09 is: 34,685.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,319.84 : 67,986.65 = 23,121.09 : x
  2. Step 2: Convert to fraction form
    45,319.84/67,986.65 = 23,121.09/x
  3. Step 3: Cross multiply
    45,319.84x = 67,986.65 × 23,121.09
  4. Step 4: Simplify right side
    45,319.84x = 1,571,925,453.45
  5. Step 5: Solve for x
    x = 1,571,925,453.45/45,319.84
  6. Step 6: Final answer
    x = 34,685.15

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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.