Home / 31,263.51-43,144.73-17,116.45

Finding the Fourth Proportional to 31,263.51, 43,144.73 and 17,116.45

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Solution

The fourth proportional to 31,263.51, 43,144.73 and 17,116.45 is: 23,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,263.51 : 43,144.73 = 17,116.45 : x
  2. Step 2: Convert to fraction form
    31,263.51/43,144.73 = 17,116.45/x
  3. Step 3: Cross multiply
    31,263.51x = 43,144.73 × 17,116.45
  4. Step 4: Simplify right side
    31,263.51x = 738,484,613.81
  5. Step 5: Solve for x
    x = 738,484,613.81/31,263.51
  6. Step 6: Final answer
    x = 23,621.30

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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.