Home / 30,064.70-45,097.36-13,425.58

Finding the Fourth Proportional to 30,064.70, 45,097.36 and 13,425.58

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Solution

The fourth proportional to 30,064.70, 45,097.36 and 13,425.58 is: 20,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,064.70 : 45,097.36 = 13,425.58 : x
  2. Step 2: Convert to fraction form
    30,064.70/45,097.36 = 13,425.58/x
  3. Step 3: Cross multiply
    30,064.70x = 45,097.36 × 13,425.58
  4. Step 4: Simplify right side
    30,064.70x = 605,458,237.28
  5. Step 5: Solve for x
    x = 605,458,237.28/30,064.70
  6. Step 6: Final answer
    x = 20,138.51

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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.