Home / 43,460.76-65,166.66-13,871.64

Finding the Fourth Proportional to 43,460.76, 65,166.66 and 13,871.64

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Solution

The fourth proportional to 43,460.76, 65,166.66 and 13,871.64 is: 20,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,460.76 : 65,166.66 = 13,871.64 : x
  2. Step 2: Convert to fraction form
    43,460.76/65,166.66 = 13,871.64/x
  3. Step 3: Cross multiply
    43,460.76x = 65,166.66 × 13,871.64
  4. Step 4: Simplify right side
    43,460.76x = 903,968,447.52
  5. Step 5: Solve for x
    x = 903,968,447.52/43,460.76
  6. Step 6: Final answer
    x = 20,799.65

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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.