Home / 31,354.72-46,970.54-18,179.40

Finding the Fourth Proportional to 31,354.72, 46,970.54 and 18,179.40

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Solution

The fourth proportional to 31,354.72, 46,970.54 and 18,179.40 is: 27,233.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,354.72 : 46,970.54 = 18,179.40 : x
  2. Step 2: Convert to fraction form
    31,354.72/46,970.54 = 18,179.40/x
  3. Step 3: Cross multiply
    31,354.72x = 46,970.54 × 18,179.40
  4. Step 4: Simplify right side
    31,354.72x = 853,896,234.88
  5. Step 5: Solve for x
    x = 853,896,234.88/31,354.72
  6. Step 6: Final answer
    x = 27,233.42

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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.