Home / 40,778.66-61,153.32-14,117.42

Finding the Fourth Proportional to 40,778.66, 61,153.32 and 14,117.42

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Solution

The fourth proportional to 40,778.66, 61,153.32 and 14,117.42 is: 21,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,778.66 : 61,153.32 = 14,117.42 : x
  2. Step 2: Convert to fraction form
    40,778.66/61,153.32 = 14,117.42/x
  3. Step 3: Cross multiply
    40,778.66x = 61,153.32 × 14,117.42
  4. Step 4: Simplify right side
    40,778.66x = 863,327,102.83
  5. Step 5: Solve for x
    x = 863,327,102.83/40,778.66
  6. Step 6: Final answer
    x = 21,171.05

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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.