Home / 30,144.16-41,637.72-23,156.56

Finding the Fourth Proportional to 30,144.16, 41,637.72 and 23,156.56

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Solution

The fourth proportional to 30,144.16, 41,637.72 and 23,156.56 is: 31,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,144.16 : 41,637.72 = 23,156.56 : x
  2. Step 2: Convert to fraction form
    30,144.16/41,637.72 = 23,156.56/x
  3. Step 3: Cross multiply
    30,144.16x = 41,637.72 × 23,156.56
  4. Step 4: Simplify right side
    30,144.16x = 964,186,361.44
  5. Step 5: Solve for x
    x = 964,186,361.44/30,144.16
  6. Step 6: Final answer
    x = 31,985.84

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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.