Home / 45,005.86-67,518.35-15,415.75

Finding the Fourth Proportional to 45,005.86, 67,518.35 and 15,415.75

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Solution

The fourth proportional to 45,005.86, 67,518.35 and 15,415.75 is: 23,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,005.86 : 67,518.35 = 15,415.75 : x
  2. Step 2: Convert to fraction form
    45,005.86/67,518.35 = 15,415.75/x
  3. Step 3: Cross multiply
    45,005.86x = 67,518.35 × 15,415.75
  4. Step 4: Simplify right side
    45,005.86x = 1,040,846,004.01
  5. Step 5: Solve for x
    x = 1,040,846,004.01/45,005.86
  6. Step 6: Final answer
    x = 23,126.90

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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.