Home / 34,262.56-51,415.71-13,219.57

Finding the Fourth Proportional to 34,262.56, 51,415.71 and 13,219.57

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Solution

The fourth proportional to 34,262.56, 51,415.71 and 13,219.57 is: 19,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,262.56 : 51,415.71 = 13,219.57 : x
  2. Step 2: Convert to fraction form
    34,262.56/51,415.71 = 13,219.57/x
  3. Step 3: Cross multiply
    34,262.56x = 51,415.71 × 13,219.57
  4. Step 4: Simplify right side
    34,262.56x = 679,693,666.50
  5. Step 5: Solve for x
    x = 679,693,666.50/34,262.56
  6. Step 6: Final answer
    x = 19,837.80

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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.