Home / 46,086.48-69,121.44-12,808.80

Finding the Fourth Proportional to 46,086.48, 69,121.44 and 12,808.80

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Solution

The fourth proportional to 46,086.48, 69,121.44 and 12,808.80 is: 19,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,086.48 : 69,121.44 = 12,808.80 : x
  2. Step 2: Convert to fraction form
    46,086.48/69,121.44 = 12,808.80/x
  3. Step 3: Cross multiply
    46,086.48x = 69,121.44 × 12,808.80
  4. Step 4: Simplify right side
    46,086.48x = 885,362,700.67
  5. Step 5: Solve for x
    x = 885,362,700.67/46,086.48
  6. Step 6: Final answer
    x = 19,210.90

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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.