Home / 45,040.38-67,570.24-13,452.94

Finding the Fourth Proportional to 45,040.38, 67,570.24 and 13,452.94

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Solution

The fourth proportional to 45,040.38, 67,570.24 and 13,452.94 is: 20,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,040.38 : 67,570.24 = 13,452.94 : x
  2. Step 2: Convert to fraction form
    45,040.38/67,570.24 = 13,452.94/x
  3. Step 3: Cross multiply
    45,040.38x = 67,570.24 × 13,452.94
  4. Step 4: Simplify right side
    45,040.38x = 909,018,384.51
  5. Step 5: Solve for x
    x = 909,018,384.51/45,040.38
  6. Step 6: Final answer
    x = 20,182.30

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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.