Home / 47,490.90-71,236.44-19,410.93

Finding the Fourth Proportional to 47,490.90, 71,236.44 and 19,410.93

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Solution

The fourth proportional to 47,490.90, 71,236.44 and 19,410.93 is: 29,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,490.90 : 71,236.44 = 19,410.93 : x
  2. Step 2: Convert to fraction form
    47,490.90/71,236.44 = 19,410.93/x
  3. Step 3: Cross multiply
    47,490.90x = 71,236.44 × 19,410.93
  4. Step 4: Simplify right side
    47,490.90x = 1,382,765,817.43
  5. Step 5: Solve for x
    x = 1,382,765,817.43/47,490.90
  6. Step 6: Final answer
    x = 29,116.44

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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.