Home / 43,434.03-65,151.74-17,138.55

Finding the Fourth Proportional to 43,434.03, 65,151.74 and 17,138.55

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Solution

The fourth proportional to 43,434.03, 65,151.74 and 17,138.55 is: 25,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,434.03 : 65,151.74 = 17,138.55 : x
  2. Step 2: Convert to fraction form
    43,434.03/65,151.74 = 17,138.55/x
  3. Step 3: Cross multiply
    43,434.03x = 65,151.74 × 17,138.55
  4. Step 4: Simplify right side
    43,434.03x = 1,116,606,353.58
  5. Step 5: Solve for x
    x = 1,116,606,353.58/43,434.03
  6. Step 6: Final answer
    x = 25,708.10

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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.