Home / 47,172.26-65,097.59-28,309.38

Finding the Fourth Proportional to 47,172.26, 65,097.59 and 28,309.38

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Solution

The fourth proportional to 47,172.26, 65,097.59 and 28,309.38 is: 39,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,172.26 : 65,097.59 = 28,309.38 : x
  2. Step 2: Convert to fraction form
    47,172.26/65,097.59 = 28,309.38/x
  3. Step 3: Cross multiply
    47,172.26x = 65,097.59 × 28,309.38
  4. Step 4: Simplify right side
    47,172.26x = 1,842,872,270.85
  5. Step 5: Solve for x
    x = 1,842,872,270.85/47,172.26
  6. Step 6: Final answer
    x = 39,066.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.