Home / 34,147.32-51,219.14-13,097.45

Finding the Fourth Proportional to 34,147.32, 51,219.14 and 13,097.45

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Solution

The fourth proportional to 34,147.32, 51,219.14 and 13,097.45 is: 19,645.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,147.32 : 51,219.14 = 13,097.45 : x
  2. Step 2: Convert to fraction form
    34,147.32/51,219.14 = 13,097.45/x
  3. Step 3: Cross multiply
    34,147.32x = 51,219.14 × 13,097.45
  4. Step 4: Simplify right side
    34,147.32x = 670,839,803.61
  5. Step 5: Solve for x
    x = 670,839,803.61/34,147.32
  6. Step 6: Final answer
    x = 19,645.46

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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.