Home / 30,219.48-45,336.51-10,495.17

Finding the Fourth Proportional to 30,219.48, 45,336.51 and 10,495.17

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Solution

The fourth proportional to 30,219.48, 45,336.51 and 10,495.17 is: 15,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219.48 : 45,336.51 = 10,495.17 : x
  2. Step 2: Convert to fraction form
    30,219.48/45,336.51 = 10,495.17/x
  3. Step 3: Cross multiply
    30,219.48x = 45,336.51 × 10,495.17
  4. Step 4: Simplify right side
    30,219.48x = 475,814,379.66
  5. Step 5: Solve for x
    x = 475,814,379.66/30,219.48
  6. Step 6: Final answer
    x = 15,745.29

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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.