Home / 30,283.95-41,783.46-18,181.29

Finding the Fourth Proportional to 30,283.95, 41,783.46 and 18,181.29

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Solution

The fourth proportional to 30,283.95, 41,783.46 and 18,181.29 is: 25,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,283.95 : 41,783.46 = 18,181.29 : x
  2. Step 2: Convert to fraction form
    30,283.95/41,783.46 = 18,181.29/x
  3. Step 3: Cross multiply
    30,283.95x = 41,783.46 × 18,181.29
  4. Step 4: Simplify right side
    30,283.95x = 759,677,203.46
  5. Step 5: Solve for x
    x = 759,677,203.46/30,283.95
  6. Step 6: Final answer
    x = 25,085.14

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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.