Home / 43,572.90-65,342.75-18,624.50

Finding the Fourth Proportional to 43,572.90, 65,342.75 and 18,624.50

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Solution

The fourth proportional to 43,572.90, 65,342.75 and 18,624.50 is: 27,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,572.90 : 65,342.75 = 18,624.50 : x
  2. Step 2: Convert to fraction form
    43,572.90/65,342.75 = 18,624.50/x
  3. Step 3: Cross multiply
    43,572.90x = 65,342.75 × 18,624.50
  4. Step 4: Simplify right side
    43,572.90x = 1,216,975,627.54
  5. Step 5: Solve for x
    x = 1,216,975,627.54/43,572.90
  6. Step 6: Final answer
    x = 27,929.64

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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.