Home / 43,837.80-65,756.70-14,256.60

Finding the Fourth Proportional to 43,837.80, 65,756.70 and 14,256.60

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Solution

The fourth proportional to 43,837.80, 65,756.70 and 14,256.60 is: 21,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,837.80 : 65,756.70 = 14,256.60 : x
  2. Step 2: Convert to fraction form
    43,837.80/65,756.70 = 14,256.60/x
  3. Step 3: Cross multiply
    43,837.80x = 65,756.70 × 14,256.60
  4. Step 4: Simplify right side
    43,837.80x = 937,466,969.22
  5. Step 5: Solve for x
    x = 937,466,969.22/43,837.80
  6. Step 6: Final answer
    x = 21,384.90

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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.