Home / 30,117.90-41,562.68-18,181.27

Finding the Fourth Proportional to 30,117.90, 41,562.68 and 18,181.27

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Solution

The fourth proportional to 30,117.90, 41,562.68 and 18,181.27 is: 25,090.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.90 : 41,562.68 = 18,181.27 : x
  2. Step 2: Convert to fraction form
    30,117.90/41,562.68 = 18,181.27/x
  3. Step 3: Cross multiply
    30,117.90x = 41,562.68 × 18,181.27
  4. Step 4: Simplify right side
    30,117.90x = 755,662,307.00
  5. Step 5: Solve for x
    x = 755,662,307.00/30,117.90
  6. Step 6: Final answer
    x = 25,090.14

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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.