Home / 53,231.15-79,833.09-15,782.46

Finding the Fourth Proportional to 53,231.15, 79,833.09 and 15,782.46

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Solution

The fourth proportional to 53,231.15, 79,833.09 and 15,782.46 is: 23,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,231.15 : 79,833.09 = 15,782.46 : x
  2. Step 2: Convert to fraction form
    53,231.15/79,833.09 = 15,782.46/x
  3. Step 3: Cross multiply
    53,231.15x = 79,833.09 × 15,782.46
  4. Step 4: Simplify right side
    53,231.15x = 1,259,962,549.60
  5. Step 5: Solve for x
    x = 1,259,962,549.60/53,231.15
  6. Step 6: Final answer
    x = 23,669.65

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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.