Home / 43,581.04-65,206.55-25,821.21

Finding the Fourth Proportional to 43,581.04, 65,206.55 and 25,821.21

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Solution

The fourth proportional to 43,581.04, 65,206.55 and 25,821.21 is: 38,634.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,581.04 : 65,206.55 = 25,821.21 : x
  2. Step 2: Convert to fraction form
    43,581.04/65,206.55 = 25,821.21/x
  3. Step 3: Cross multiply
    43,581.04x = 65,206.55 × 25,821.21
  4. Step 4: Simplify right side
    43,581.04x = 1,683,712,330.00
  5. Step 5: Solve for x
    x = 1,683,712,330.00/43,581.04
  6. Step 6: Final answer
    x = 38,634.06

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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.