Home / 53,216.45-79,832.40-15,771.70

Finding the Fourth Proportional to 53,216.45, 79,832.40 and 15,771.70

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Solution

The fourth proportional to 53,216.45, 79,832.40 and 15,771.70 is: 23,659.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,216.45 : 79,832.40 = 15,771.70 : x
  2. Step 2: Convert to fraction form
    53,216.45/79,832.40 = 15,771.70/x
  3. Step 3: Cross multiply
    53,216.45x = 79,832.40 × 15,771.70
  4. Step 4: Simplify right side
    53,216.45x = 1,259,092,663.08
  5. Step 5: Solve for x
    x = 1,259,092,663.08/53,216.45
  6. Step 6: Final answer
    x = 23,659.84

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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.