Home / 43,634.99-65,444.13-12,037.20

Finding the Fourth Proportional to 43,634.99, 65,444.13 and 12,037.20

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Solution

The fourth proportional to 43,634.99, 65,444.13 and 12,037.20 is: 18,053.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,634.99 : 65,444.13 = 12,037.20 : x
  2. Step 2: Convert to fraction form
    43,634.99/65,444.13 = 12,037.20/x
  3. Step 3: Cross multiply
    43,634.99x = 65,444.13 × 12,037.20
  4. Step 4: Simplify right side
    43,634.99x = 787,764,081.64
  5. Step 5: Solve for x
    x = 787,764,081.64/43,634.99
  6. Step 6: Final answer
    x = 18,053.50

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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.