Home / 45,150.84-67,745.74-30,415.32

Finding the Fourth Proportional to 45,150.84, 67,745.74 and 30,415.32

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Solution

The fourth proportional to 45,150.84, 67,745.74 and 30,415.32 is: 45,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,150.84 : 67,745.74 = 30,415.32 : x
  2. Step 2: Convert to fraction form
    45,150.84/67,745.74 = 30,415.32/x
  3. Step 3: Cross multiply
    45,150.84x = 67,745.74 × 30,415.32
  4. Step 4: Simplify right side
    45,150.84x = 2,060,508,360.74
  5. Step 5: Solve for x
    x = 2,060,508,360.74/45,150.84
  6. Step 6: Final answer
    x = 45,636.10

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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.