Home / 29,166.46-40,245.86-16,420.30

Finding the Fourth Proportional to 29,166.46, 40,245.86 and 16,420.30

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Solution

The fourth proportional to 29,166.46, 40,245.86 and 16,420.30 is: 22,657.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,166.46 : 40,245.86 = 16,420.30 : x
  2. Step 2: Convert to fraction form
    29,166.46/40,245.86 = 16,420.30/x
  3. Step 3: Cross multiply
    29,166.46x = 40,245.86 × 16,420.30
  4. Step 4: Simplify right side
    29,166.46x = 660,849,094.96
  5. Step 5: Solve for x
    x = 660,849,094.96/29,166.46
  6. Step 6: Final answer
    x = 22,657.84

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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.