Home / 35,145.20-52,811.40-19,362.80

Finding the Fourth Proportional to 35,145.20, 52,811.40 and 19,362.80

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Solution

The fourth proportional to 35,145.20, 52,811.40 and 19,362.80 is: 29,095.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,145.20 : 52,811.40 = 19,362.80 : x
  2. Step 2: Convert to fraction form
    35,145.20/52,811.40 = 19,362.80/x
  3. Step 3: Cross multiply
    35,145.20x = 52,811.40 × 19,362.80
  4. Step 4: Simplify right side
    35,145.20x = 1,022,576,575.92
  5. Step 5: Solve for x
    x = 1,022,576,575.92/35,145.20
  6. Step 6: Final answer
    x = 29,095.77

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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.