Home / 31,078.83-46,618.20-7,705.27

Finding the Fourth Proportional to 31,078.83, 46,618.20 and 7,705.27

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Solution

The fourth proportional to 31,078.83, 46,618.20 and 7,705.27 is: 11,557.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,078.83 : 46,618.20 = 7,705.27 : x
  2. Step 2: Convert to fraction form
    31,078.83/46,618.20 = 7,705.27/x
  3. Step 3: Cross multiply
    31,078.83x = 46,618.20 × 7,705.27
  4. Step 4: Simplify right side
    31,078.83x = 359,205,817.91
  5. Step 5: Solve for x
    x = 359,205,817.91/31,078.83
  6. Step 6: Final answer
    x = 11,557.89

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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.