Home / 30,129.03-41,572.64-17,379.23

Finding the Fourth Proportional to 30,129.03, 41,572.64 and 17,379.23

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Solution

The fourth proportional to 30,129.03, 41,572.64 and 17,379.23 is: 23,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,129.03 : 41,572.64 = 17,379.23 : x
  2. Step 2: Convert to fraction form
    30,129.03/41,572.64 = 17,379.23/x
  3. Step 3: Cross multiply
    30,129.03x = 41,572.64 × 17,379.23
  4. Step 4: Simplify right side
    30,129.03x = 722,500,307.85
  5. Step 5: Solve for x
    x = 722,500,307.85/30,129.03
  6. Step 6: Final answer
    x = 23,980.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.