Home / 30,275.21-41,773.24-18,339.05

Finding the Fourth Proportional to 30,275.21, 41,773.24 and 18,339.05

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Solution

The fourth proportional to 30,275.21, 41,773.24 and 18,339.05 is: 25,303.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,275.21 : 41,773.24 = 18,339.05 : x
  2. Step 2: Convert to fraction form
    30,275.21/41,773.24 = 18,339.05/x
  3. Step 3: Cross multiply
    30,275.21x = 41,773.24 × 18,339.05
  4. Step 4: Simplify right side
    30,275.21x = 766,081,537.02
  5. Step 5: Solve for x
    x = 766,081,537.02/30,275.21
  6. Step 6: Final answer
    x = 25,303.92

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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.