Home / 30,829.24-46,206.10-13,261.88

Finding the Fourth Proportional to 30,829.24, 46,206.10 and 13,261.88

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Solution

The fourth proportional to 30,829.24, 46,206.10 and 13,261.88 is: 19,876.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,829.24 : 46,206.10 = 13,261.88 : x
  2. Step 2: Convert to fraction form
    30,829.24/46,206.10 = 13,261.88/x
  3. Step 3: Cross multiply
    30,829.24x = 46,206.10 × 13,261.88
  4. Step 4: Simplify right side
    30,829.24x = 612,779,753.47
  5. Step 5: Solve for x
    x = 612,779,753.47/30,829.24
  6. Step 6: Final answer
    x = 19,876.58

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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.