Home / 29,631.66-40,890.02-16,200.42

Finding the Fourth Proportional to 29,631.66, 40,890.02 and 16,200.42

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Solution

The fourth proportional to 29,631.66, 40,890.02 and 16,200.42 is: 22,355.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,631.66 : 40,890.02 = 16,200.42 : x
  2. Step 2: Convert to fraction form
    29,631.66/40,890.02 = 16,200.42/x
  3. Step 3: Cross multiply
    29,631.66x = 40,890.02 × 16,200.42
  4. Step 4: Simplify right side
    29,631.66x = 662,435,497.81
  5. Step 5: Solve for x
    x = 662,435,497.81/29,631.66
  6. Step 6: Final answer
    x = 22,355.67

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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.