Home / 53,551.51-80,242.78-19,771.08

Finding the Fourth Proportional to 53,551.51, 80,242.78 and 19,771.08

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Solution

The fourth proportional to 53,551.51, 80,242.78 and 19,771.08 is: 29,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,551.51 : 80,242.78 = 19,771.08 : x
  2. Step 2: Convert to fraction form
    53,551.51/80,242.78 = 19,771.08/x
  3. Step 3: Cross multiply
    53,551.51x = 80,242.78 × 19,771.08
  4. Step 4: Simplify right side
    53,551.51x = 1,586,486,222.20
  5. Step 5: Solve for x
    x = 1,586,486,222.20/53,551.51
  6. Step 6: Final answer
    x = 29,625.42

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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.