Home / 43,458.76-65,187.60-13,876.21

Finding the Fourth Proportional to 43,458.76, 65,187.60 and 13,876.21

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Solution

The fourth proportional to 43,458.76, 65,187.60 and 13,876.21 is: 20,814.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,458.76 : 65,187.60 = 13,876.21 : x
  2. Step 2: Convert to fraction form
    43,458.76/65,187.60 = 13,876.21/x
  3. Step 3: Cross multiply
    43,458.76x = 65,187.60 × 13,876.21
  4. Step 4: Simplify right side
    43,458.76x = 904,556,827.00
  5. Step 5: Solve for x
    x = 904,556,827.00/43,458.76
  6. Step 6: Final answer
    x = 20,814.14

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1.5x scale

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.