Home / 39,220.05-58,829.55-9,638.14

Finding the Fourth Proportional to 39,220.05, 58,829.55 and 9,638.14

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Solution

The fourth proportional to 39,220.05, 58,829.55 and 9,638.14 is: 14,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220.05 : 58,829.55 = 9,638.14 : x
  2. Step 2: Convert to fraction form
    39,220.05/58,829.55 = 9,638.14/x
  3. Step 3: Cross multiply
    39,220.05x = 58,829.55 × 9,638.14
  4. Step 4: Simplify right side
    39,220.05x = 567,007,291.96
  5. Step 5: Solve for x
    x = 567,007,291.96/39,220.05
  6. Step 6: Final answer
    x = 14,457.08

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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.