Home / 40,062.02-55,283.91-21,912.45

Finding the Fourth Proportional to 40,062.02, 55,283.91 and 21,912.45

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Solution

The fourth proportional to 40,062.02, 55,283.91 and 21,912.45 is: 30,238.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,062.02 : 55,283.91 = 21,912.45 : x
  2. Step 2: Convert to fraction form
    40,062.02/55,283.91 = 21,912.45/x
  3. Step 3: Cross multiply
    40,062.02x = 55,283.91 × 21,912.45
  4. Step 4: Simplify right side
    40,062.02x = 1,211,405,913.68
  5. Step 5: Solve for x
    x = 1,211,405,913.68/40,062.02
  6. Step 6: Final answer
    x = 30,238.26

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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.