Home / 43,455.68-65,182.84-13,873.32

Finding the Fourth Proportional to 43,455.68, 65,182.84 and 13,873.32

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Solution

The fourth proportional to 43,455.68, 65,182.84 and 13,873.32 is: 20,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,455.68 : 65,182.84 = 13,873.32 : x
  2. Step 2: Convert to fraction form
    43,455.68/65,182.84 = 13,873.32/x
  3. Step 3: Cross multiply
    43,455.68x = 65,182.84 × 13,873.32
  4. Step 4: Simplify right side
    43,455.68x = 904,302,397.83
  5. Step 5: Solve for x
    x = 904,302,397.83/43,455.68
  6. Step 6: Final answer
    x = 20,809.76

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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.