Home / 30,395.22-41,948.56-16,971.09

Finding the Fourth Proportional to 30,395.22, 41,948.56 and 16,971.09

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Solution

The fourth proportional to 30,395.22, 41,948.56 and 16,971.09 is: 23,421.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,395.22 : 41,948.56 = 16,971.09 : x
  2. Step 2: Convert to fraction form
    30,395.22/41,948.56 = 16,971.09/x
  3. Step 3: Cross multiply
    30,395.22x = 41,948.56 × 16,971.09
  4. Step 4: Simplify right side
    30,395.22x = 711,912,787.13
  5. Step 5: Solve for x
    x = 711,912,787.13/30,395.22
  6. Step 6: Final answer
    x = 23,421.87

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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.