Home / 35,157.78-52,699.50-12,956.88

Finding the Fourth Proportional to 35,157.78, 52,699.50 and 12,956.88

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Solution

The fourth proportional to 35,157.78, 52,699.50 and 12,956.88 is: 19,421.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,157.78 : 52,699.50 = 12,956.88 : x
  2. Step 2: Convert to fraction form
    35,157.78/52,699.50 = 12,956.88/x
  3. Step 3: Cross multiply
    35,157.78x = 52,699.50 × 12,956.88
  4. Step 4: Simplify right side
    35,157.78x = 682,821,097.56
  5. Step 5: Solve for x
    x = 682,821,097.56/35,157.78
  6. Step 6: Final answer
    x = 19,421.62

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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.