Home / 45,018.81-67,521.25-15,033.55

Finding the Fourth Proportional to 45,018.81, 67,521.25 and 15,033.55

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Solution

The fourth proportional to 45,018.81, 67,521.25 and 15,033.55 is: 22,548.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,018.81 : 67,521.25 = 15,033.55 : x
  2. Step 2: Convert to fraction form
    45,018.81/67,521.25 = 15,033.55/x
  3. Step 3: Cross multiply
    45,018.81x = 67,521.25 × 15,033.55
  4. Step 4: Simplify right side
    45,018.81x = 1,015,084,087.94
  5. Step 5: Solve for x
    x = 1,015,084,087.94/45,018.81
  6. Step 6: Final answer
    x = 22,548.00

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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.