Home / 35,139.04-52,729.16-12,967.85

Finding the Fourth Proportional to 35,139.04, 52,729.16 and 12,967.85

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Solution

The fourth proportional to 35,139.04, 52,729.16 and 12,967.85 is: 19,459.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,139.04 : 52,729.16 = 12,967.85 : x
  2. Step 2: Convert to fraction form
    35,139.04/52,729.16 = 12,967.85/x
  3. Step 3: Cross multiply
    35,139.04x = 52,729.16 × 12,967.85
  4. Step 4: Simplify right side
    35,139.04x = 683,783,904.49
  5. Step 5: Solve for x
    x = 683,783,904.49/35,139.04
  6. Step 6: Final answer
    x = 19,459.38

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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.