Home / 53,276.16-79,917.12-13,832.22

Finding the Fourth Proportional to 53,276.16, 79,917.12 and 13,832.22

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Solution

The fourth proportional to 53,276.16, 79,917.12 and 13,832.22 is: 20,749.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,276.16 : 79,917.12 = 13,832.22 : x
  2. Step 2: Convert to fraction form
    53,276.16/79,917.12 = 13,832.22/x
  3. Step 3: Cross multiply
    53,276.16x = 79,917.12 × 13,832.22
  4. Step 4: Simplify right side
    53,276.16x = 1,105,431,185.61
  5. Step 5: Solve for x
    x = 1,105,431,185.61/53,276.16
  6. Step 6: Final answer
    x = 20,749.08

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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.