Home / 51,410.13-70,940.90-30,185.30

Finding the Fourth Proportional to 51,410.13, 70,940.90 and 30,185.30

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Solution

The fourth proportional to 51,410.13, 70,940.90 and 30,185.30 is: 41,652.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,410.13 : 70,940.90 = 30,185.30 : x
  2. Step 2: Convert to fraction form
    51,410.13/70,940.90 = 30,185.30/x
  3. Step 3: Cross multiply
    51,410.13x = 70,940.90 × 30,185.30
  4. Step 4: Simplify right side
    51,410.13x = 2,141,371,843.14
  5. Step 5: Solve for x
    x = 2,141,371,843.14/51,410.13
  6. Step 6: Final answer
    x = 41,652.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.