Home / 35,122.36-52,686.99-12,930.54

Finding the Fourth Proportional to 35,122.36, 52,686.99 and 12,930.54

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Solution

The fourth proportional to 35,122.36, 52,686.99 and 12,930.54 is: 19,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,122.36 : 52,686.99 = 12,930.54 : x
  2. Step 2: Convert to fraction form
    35,122.36/52,686.99 = 12,930.54/x
  3. Step 3: Cross multiply
    35,122.36x = 52,686.99 × 12,930.54
  4. Step 4: Simplify right side
    35,122.36x = 681,271,231.67
  5. Step 5: Solve for x
    x = 681,271,231.67/35,122.36
  6. Step 6: Final answer
    x = 19,397.08

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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.