Home / 46,276.20-69,446.70-19,999.80

Finding the Fourth Proportional to 46,276.20, 69,446.70 and 19,999.80

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Solution

The fourth proportional to 46,276.20, 69,446.70 and 19,999.80 is: 30,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,276.20 : 69,446.70 = 19,999.80 : x
  2. Step 2: Convert to fraction form
    46,276.20/69,446.70 = 19,999.80/x
  3. Step 3: Cross multiply
    46,276.20x = 69,446.70 × 19,999.80
  4. Step 4: Simplify right side
    46,276.20x = 1,388,920,110.66
  5. Step 5: Solve for x
    x = 1,388,920,110.66/46,276.20
  6. Step 6: Final answer
    x = 30,013.70

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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.