Home / 43,081.43-64,622.16-13,501.56

Finding the Fourth Proportional to 43,081.43, 64,622.16 and 13,501.56

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Solution

The fourth proportional to 43,081.43, 64,622.16 and 13,501.56 is: 20,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,081.43 : 64,622.16 = 13,501.56 : x
  2. Step 2: Convert to fraction form
    43,081.43/64,622.16 = 13,501.56/x
  3. Step 3: Cross multiply
    43,081.43x = 64,622.16 × 13,501.56
  4. Step 4: Simplify right side
    43,081.43x = 872,500,212.90
  5. Step 5: Solve for x
    x = 872,500,212.90/43,081.43
  6. Step 6: Final answer
    x = 20,252.35

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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.