Home / 30,309.21-41,844.06-20,254.68

Finding the Fourth Proportional to 30,309.21, 41,844.06 and 20,254.68

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Solution

The fourth proportional to 30,309.21, 41,844.06 and 20,254.68 is: 27,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,309.21 : 41,844.06 = 20,254.68 : x
  2. Step 2: Convert to fraction form
    30,309.21/41,844.06 = 20,254.68/x
  3. Step 3: Cross multiply
    30,309.21x = 41,844.06 × 20,254.68
  4. Step 4: Simplify right side
    30,309.21x = 847,538,045.20
  5. Step 5: Solve for x
    x = 847,538,045.20/30,309.21
  6. Step 6: Final answer
    x = 27,963.05

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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.