Home / 30,284.95-41,784.84-18,182.29

Finding the Fourth Proportional to 30,284.95, 41,784.84 and 18,182.29

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Solution

The fourth proportional to 30,284.95, 41,784.84 and 18,182.29 is: 25,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,284.95 : 41,784.84 = 18,182.29 : x
  2. Step 2: Convert to fraction form
    30,284.95/41,784.84 = 18,182.29/x
  3. Step 3: Cross multiply
    30,284.95x = 41,784.84 × 18,182.29
  4. Step 4: Simplify right side
    30,284.95x = 759,744,078.48
  5. Step 5: Solve for x
    x = 759,744,078.48/30,284.95
  6. Step 6: Final answer
    x = 25,086.52

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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.