Home / 30,787.79-46,182.14-20,324.81

Finding the Fourth Proportional to 30,787.79, 46,182.14 and 20,324.81

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Solution

The fourth proportional to 30,787.79, 46,182.14 and 20,324.81 is: 30,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,787.79 : 46,182.14 = 20,324.81 : x
  2. Step 2: Convert to fraction form
    30,787.79/46,182.14 = 20,324.81/x
  3. Step 3: Cross multiply
    30,787.79x = 46,182.14 × 20,324.81
  4. Step 4: Simplify right side
    30,787.79x = 938,643,234.72
  5. Step 5: Solve for x
    x = 938,643,234.72/30,787.79
  6. Step 6: Final answer
    x = 30,487.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.