Home / 30,430.63-45,608.26-17,243.02

Finding the Fourth Proportional to 30,430.63, 45,608.26 and 17,243.02

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Solution

The fourth proportional to 30,430.63, 45,608.26 and 17,243.02 is: 25,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,430.63 : 45,608.26 = 17,243.02 : x
  2. Step 2: Convert to fraction form
    30,430.63/45,608.26 = 17,243.02/x
  3. Step 3: Cross multiply
    30,430.63x = 45,608.26 × 17,243.02
  4. Step 4: Simplify right side
    30,430.63x = 786,424,139.35
  5. Step 5: Solve for x
    x = 786,424,139.35/30,430.63
  6. Step 6: Final answer
    x = 25,843.18

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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.