Home / 43,845.36-65,783.34-13,864.20

Finding the Fourth Proportional to 43,845.36, 65,783.34 and 13,864.20

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Solution

The fourth proportional to 43,845.36, 65,783.34 and 13,864.20 is: 20,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,845.36 : 65,783.34 = 13,864.20 : x
  2. Step 2: Convert to fraction form
    43,845.36/65,783.34 = 13,864.20/x
  3. Step 3: Cross multiply
    43,845.36x = 65,783.34 × 13,864.20
  4. Step 4: Simplify right side
    43,845.36x = 912,033,382.43
  5. Step 5: Solve for x
    x = 912,033,382.43/43,845.36
  6. Step 6: Final answer
    x = 20,801.14

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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.