Home / 43,434.75-65,152.77-17,139.25

Finding the Fourth Proportional to 43,434.75, 65,152.77 and 17,139.25

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Solution

The fourth proportional to 43,434.75, 65,152.77 and 17,139.25 is: 25,709.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,434.75 : 65,152.77 = 17,139.25 : x
  2. Step 2: Convert to fraction form
    43,434.75/65,152.77 = 17,139.25/x
  3. Step 3: Cross multiply
    43,434.75x = 65,152.77 × 17,139.25
  4. Step 4: Simplify right side
    43,434.75x = 1,116,669,613.22
  5. Step 5: Solve for x
    x = 1,116,669,613.22/43,434.75
  6. Step 6: Final answer
    x = 25,709.13

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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.