Home / 34,767.45-52,128.12-12,577.89

Finding the Fourth Proportional to 34,767.45, 52,128.12 and 12,577.89

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Solution

The fourth proportional to 34,767.45, 52,128.12 and 12,577.89 is: 18,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,767.45 : 52,128.12 = 12,577.89 : x
  2. Step 2: Convert to fraction form
    34,767.45/52,128.12 = 12,577.89/x
  3. Step 3: Cross multiply
    34,767.45x = 52,128.12 × 12,577.89
  4. Step 4: Simplify right side
    34,767.45x = 655,661,759.27
  5. Step 5: Solve for x
    x = 655,661,759.27/34,767.45
  6. Step 6: Final answer
    x = 18,858.49

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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.