Home / 66,720.37-100,056.27-22,336.57

Finding the Fourth Proportional to 66,720.37, 100,056.27 and 22,336.57

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Solution

The fourth proportional to 66,720.37, 100,056.27 and 22,336.57 is: 33,496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,720.37 : 100,056.27 = 22,336.57 : x
  2. Step 2: Convert to fraction form
    66,720.37/100,056.27 = 22,336.57/x
  3. Step 3: Cross multiply
    66,720.37x = 100,056.27 × 22,336.57
  4. Step 4: Simplify right side
    66,720.37x = 2,234,913,378.51
  5. Step 5: Solve for x
    x = 2,234,913,378.51/66,720.37
  6. Step 6: Final answer
    x = 33,496.72

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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.