Home / 33,099.46-45,666.75-20,531.50

Finding the Fourth Proportional to 33,099.46, 45,666.75 and 20,531.50

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Solution

The fourth proportional to 33,099.46, 45,666.75 and 20,531.50 is: 28,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,099.46 : 45,666.75 = 20,531.50 : x
  2. Step 2: Convert to fraction form
    33,099.46/45,666.75 = 20,531.50/x
  3. Step 3: Cross multiply
    33,099.46x = 45,666.75 × 20,531.50
  4. Step 4: Simplify right side
    33,099.46x = 937,606,840.45
  5. Step 5: Solve for x
    x = 937,606,840.45/33,099.46
  6. Step 6: Final answer
    x = 28,326.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.