Home / 30,787.01-46,104.91-19,660.85

Finding the Fourth Proportional to 30,787.01, 46,104.91 and 19,660.85

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Solution

The fourth proportional to 30,787.01, 46,104.91 and 19,660.85 is: 29,442.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,787.01 : 46,104.91 = 19,660.85 : x
  2. Step 2: Convert to fraction form
    30,787.01/46,104.91 = 19,660.85/x
  3. Step 3: Cross multiply
    30,787.01x = 46,104.91 × 19,660.85
  4. Step 4: Simplify right side
    30,787.01x = 906,461,719.77
  5. Step 5: Solve for x
    x = 906,461,719.77/30,787.01
  6. Step 6: Final answer
    x = 29,442.99

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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.