Home / 45,040.19-67,560.35-18,745.16

Finding the Fourth Proportional to 45,040.19, 67,560.35 and 18,745.16

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Solution

The fourth proportional to 45,040.19, 67,560.35 and 18,745.16 is: 28,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,040.19 : 67,560.35 = 18,745.16 : x
  2. Step 2: Convert to fraction form
    45,040.19/67,560.35 = 18,745.16/x
  3. Step 3: Cross multiply
    45,040.19x = 67,560.35 × 18,745.16
  4. Step 4: Simplify right side
    45,040.19x = 1,266,429,138.88
  5. Step 5: Solve for x
    x = 1,266,429,138.88/45,040.19
  6. Step 6: Final answer
    x = 28,117.76

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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.