Home / 30,411.87-41,966.29-16,799.31

Finding the Fourth Proportional to 30,411.87, 41,966.29 and 16,799.31

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Solution

The fourth proportional to 30,411.87, 41,966.29 and 16,799.31 is: 23,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,411.87 : 41,966.29 = 16,799.31 : x
  2. Step 2: Convert to fraction form
    30,411.87/41,966.29 = 16,799.31/x
  3. Step 3: Cross multiply
    30,411.87x = 41,966.29 × 16,799.31
  4. Step 4: Simplify right side
    30,411.87x = 705,004,715.26
  5. Step 5: Solve for x
    x = 705,004,715.26/30,411.87
  6. Step 6: Final answer
    x = 23,181.89

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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.