Home / 53,131.36-73,321.76-29,258.12

Finding the Fourth Proportional to 53,131.36, 73,321.76 and 29,258.12

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Solution

The fourth proportional to 53,131.36, 73,321.76 and 29,258.12 is: 40,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,131.36 : 73,321.76 = 29,258.12 : x
  2. Step 2: Convert to fraction form
    53,131.36/73,321.76 = 29,258.12/x
  3. Step 3: Cross multiply
    53,131.36x = 73,321.76 × 29,258.12
  4. Step 4: Simplify right side
    53,131.36x = 2,145,256,852.69
  5. Step 5: Solve for x
    x = 2,145,256,852.69/53,131.36
  6. Step 6: Final answer
    x = 40,376.47

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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.