Home / 34,178.25-51,232.24-13,112.68

Finding the Fourth Proportional to 34,178.25, 51,232.24 and 13,112.68

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Solution

The fourth proportional to 34,178.25, 51,232.24 and 13,112.68 is: 19,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,178.25 : 51,232.24 = 13,112.68 : x
  2. Step 2: Convert to fraction form
    34,178.25/51,232.24 = 13,112.68/x
  3. Step 3: Cross multiply
    34,178.25x = 51,232.24 × 13,112.68
  4. Step 4: Simplify right side
    34,178.25x = 671,791,903.24
  5. Step 5: Solve for x
    x = 671,791,903.24/34,178.25
  6. Step 6: Final answer
    x = 19,655.54

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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.