Home / 45,707.27-68,569.48-20,749.07

Finding the Fourth Proportional to 45,707.27, 68,569.48 and 20,749.07

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Solution

The fourth proportional to 45,707.27, 68,569.48 and 20,749.07 is: 31,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,707.27 : 68,569.48 = 20,749.07 : x
  2. Step 2: Convert to fraction form
    45,707.27/68,569.48 = 20,749.07/x
  3. Step 3: Cross multiply
    45,707.27x = 68,569.48 × 20,749.07
  4. Step 4: Simplify right side
    45,707.27x = 1,422,752,597.54
  5. Step 5: Solve for x
    x = 1,422,752,597.54/45,707.27
  6. Step 6: Final answer
    x = 31,127.49

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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.