Home / 43,843.05-65,775.38-12,681.45

Finding the Fourth Proportional to 43,843.05, 65,775.38 and 12,681.45

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Solution

The fourth proportional to 43,843.05, 65,775.38 and 12,681.45 is: 19,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,843.05 : 65,775.38 = 12,681.45 : x
  2. Step 2: Convert to fraction form
    43,843.05/65,775.38 = 12,681.45/x
  3. Step 3: Cross multiply
    43,843.05x = 65,775.38 × 12,681.45
  4. Step 4: Simplify right side
    43,843.05x = 834,127,129.29
  5. Step 5: Solve for x
    x = 834,127,129.29/43,843.05
  6. Step 6: Final answer
    x = 19,025.30

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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.