Home / 43,341.77-65,014.88-12,179.45

Finding the Fourth Proportional to 43,341.77, 65,014.88 and 12,179.45

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Solution

The fourth proportional to 43,341.77, 65,014.88 and 12,179.45 is: 18,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,341.77 : 65,014.88 = 12,179.45 : x
  2. Step 2: Convert to fraction form
    43,341.77/65,014.88 = 12,179.45/x
  3. Step 3: Cross multiply
    43,341.77x = 65,014.88 × 12,179.45
  4. Step 4: Simplify right side
    43,341.77x = 791,845,094.24
  5. Step 5: Solve for x
    x = 791,845,094.24/43,341.77
  6. Step 6: Final answer
    x = 18,269.79

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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.