Home / 30,255.50-41,752.60-17,007.50

Finding the Fourth Proportional to 30,255.50, 41,752.60 and 17,007.50

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Solution

The fourth proportional to 30,255.50, 41,752.60 and 17,007.50 is: 23,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.50 : 41,752.60 = 17,007.50 : x
  2. Step 2: Convert to fraction form
    30,255.50/41,752.60 = 17,007.50/x
  3. Step 3: Cross multiply
    30,255.50x = 41,752.60 × 17,007.50
  4. Step 4: Simplify right side
    30,255.50x = 710,107,344.50
  5. Step 5: Solve for x
    x = 710,107,344.50/30,255.50
  6. Step 6: Final answer
    x = 23,470.36

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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.