Home / 43,530.09-65,319.74-18,567.77

Finding the Fourth Proportional to 43,530.09, 65,319.74 and 18,567.77

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Solution

The fourth proportional to 43,530.09, 65,319.74 and 18,567.77 is: 27,862.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,530.09 : 65,319.74 = 18,567.77 : x
  2. Step 2: Convert to fraction form
    43,530.09/65,319.74 = 18,567.77/x
  3. Step 3: Cross multiply
    43,530.09x = 65,319.74 × 18,567.77
  4. Step 4: Simplify right side
    43,530.09x = 1,212,841,489.34
  5. Step 5: Solve for x
    x = 1,212,841,489.34/43,530.09
  6. Step 6: Final answer
    x = 27,862.14

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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.