Home / 70,420.04-105,629.06-17,112.41

Finding the Fourth Proportional to 70,420.04, 105,629.06 and 17,112.41

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Solution

The fourth proportional to 70,420.04, 105,629.06 and 17,112.41 is: 25,668.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,420.04 : 105,629.06 = 17,112.41 : x
  2. Step 2: Convert to fraction form
    70,420.04/105,629.06 = 17,112.41/x
  3. Step 3: Cross multiply
    70,420.04x = 105,629.06 × 17,112.41
  4. Step 4: Simplify right side
    70,420.04x = 1,807,567,168.93
  5. Step 5: Solve for x
    x = 1,807,567,168.93/70,420.04
  6. Step 6: Final answer
    x = 25,668.37

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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.