Home / 53,346.45-80,019.18-21,749.12

Finding the Fourth Proportional to 53,346.45, 80,019.18 and 21,749.12

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Solution

The fourth proportional to 53,346.45, 80,019.18 and 21,749.12 is: 32,623.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,346.45 : 80,019.18 = 21,749.12 : x
  2. Step 2: Convert to fraction form
    53,346.45/80,019.18 = 21,749.12/x
  3. Step 3: Cross multiply
    53,346.45x = 80,019.18 × 21,749.12
  4. Step 4: Simplify right side
    53,346.45x = 1,740,346,348.03
  5. Step 5: Solve for x
    x = 1,740,346,348.03/53,346.45
  6. Step 6: Final answer
    x = 32,623.47

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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.