Home / 31,319.41-43,220.74-17,173.16

Finding the Fourth Proportional to 31,319.41, 43,220.74 and 17,173.16

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Solution

The fourth proportional to 31,319.41, 43,220.74 and 17,173.16 is: 23,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,319.41 : 43,220.74 = 17,173.16 : x
  2. Step 2: Convert to fraction form
    31,319.41/43,220.74 = 17,173.16/x
  3. Step 3: Cross multiply
    31,319.41x = 43,220.74 × 17,173.16
  4. Step 4: Simplify right side
    31,319.41x = 742,236,683.34
  5. Step 5: Solve for x
    x = 742,236,683.34/31,319.41
  6. Step 6: Final answer
    x = 23,698.94

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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.