Home / 43,558.92-65,351.16-13,976.10

Finding the Fourth Proportional to 43,558.92, 65,351.16 and 13,976.10

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Solution

The fourth proportional to 43,558.92, 65,351.16 and 13,976.10 is: 20,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,558.92 : 65,351.16 = 13,976.10 : x
  2. Step 2: Convert to fraction form
    43,558.92/65,351.16 = 13,976.10/x
  3. Step 3: Cross multiply
    43,558.92x = 65,351.16 × 13,976.10
  4. Step 4: Simplify right side
    43,558.92x = 913,354,347.28
  5. Step 5: Solve for x
    x = 913,354,347.28/43,558.92
  6. Step 6: Final answer
    x = 20,968.25

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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.