Home / 53,112.12-79,717.32-26,835.24

Finding the Fourth Proportional to 53,112.12, 79,717.32 and 26,835.24

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Solution

The fourth proportional to 53,112.12, 79,717.32 and 26,835.24 is: 40,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,112.12 : 79,717.32 = 26,835.24 : x
  2. Step 2: Convert to fraction form
    53,112.12/79,717.32 = 26,835.24/x
  3. Step 3: Cross multiply
    53,112.12x = 79,717.32 × 26,835.24
  4. Step 4: Simplify right side
    53,112.12x = 2,139,233,414.36
  5. Step 5: Solve for x
    x = 2,139,233,414.36/53,112.12
  6. Step 6: Final answer
    x = 40,277.69

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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.