Home / 30,369.15-45,483.26-29,317.91

Finding the Fourth Proportional to 30,369.15, 45,483.26 and 29,317.91

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Solution

The fourth proportional to 30,369.15, 45,483.26 and 29,317.91 is: 43,908.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369.15 : 45,483.26 = 29,317.91 : x
  2. Step 2: Convert to fraction form
    30,369.15/45,483.26 = 29,317.91/x
  3. Step 3: Cross multiply
    30,369.15x = 45,483.26 × 29,317.91
  4. Step 4: Simplify right side
    30,369.15x = 1,333,473,749.18
  5. Step 5: Solve for x
    x = 1,333,473,749.18/30,369.15
  6. Step 6: Final answer
    x = 43,908.83

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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.