Home / 29,219.88-40,327.14-19,156.80

Finding the Fourth Proportional to 29,219.88, 40,327.14 and 19,156.80

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Solution

The fourth proportional to 29,219.88, 40,327.14 and 19,156.80 is: 26,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,219.88 : 40,327.14 = 19,156.80 : x
  2. Step 2: Convert to fraction form
    29,219.88/40,327.14 = 19,156.80/x
  3. Step 3: Cross multiply
    29,219.88x = 40,327.14 × 19,156.80
  4. Step 4: Simplify right side
    29,219.88x = 772,538,955.55
  5. Step 5: Solve for x
    x = 772,538,955.55/29,219.88
  6. Step 6: Final answer
    x = 26,438.81

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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.