Home / 53,554.55-80,331.93-21,958.79

Finding the Fourth Proportional to 53,554.55, 80,331.93 and 21,958.79

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Solution

The fourth proportional to 53,554.55, 80,331.93 and 21,958.79 is: 32,938.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,554.55 : 80,331.93 = 21,958.79 : x
  2. Step 2: Convert to fraction form
    53,554.55/80,331.93 = 21,958.79/x
  3. Step 3: Cross multiply
    53,554.55x = 80,331.93 × 21,958.79
  4. Step 4: Simplify right side
    53,554.55x = 1,763,991,579.51
  5. Step 5: Solve for x
    x = 1,763,991,579.51/53,554.55
  6. Step 6: Final answer
    x = 32,938.22

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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.