Home / 43,570.09-65,348.96-13,984.10

Finding the Fourth Proportional to 43,570.09, 65,348.96 and 13,984.10

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Solution

The fourth proportional to 43,570.09, 65,348.96 and 13,984.10 is: 20,974.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,570.09 : 65,348.96 = 13,984.10 : x
  2. Step 2: Convert to fraction form
    43,570.09/65,348.96 = 13,984.10/x
  3. Step 3: Cross multiply
    43,570.09x = 65,348.96 × 13,984.10
  4. Step 4: Simplify right side
    43,570.09x = 913,846,391.54
  5. Step 5: Solve for x
    x = 913,846,391.54/43,570.09
  6. Step 6: Final answer
    x = 20,974.17

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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.