Home / 43,205.68-64,809.06-12,039.04

Finding the Fourth Proportional to 43,205.68, 64,809.06 and 12,039.04

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Solution

The fourth proportional to 43,205.68, 64,809.06 and 12,039.04 is: 18,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,205.68 : 64,809.06 = 12,039.04 : x
  2. Step 2: Convert to fraction form
    43,205.68/64,809.06 = 12,039.04/x
  3. Step 3: Cross multiply
    43,205.68x = 64,809.06 × 12,039.04
  4. Step 4: Simplify right side
    43,205.68x = 780,238,865.70
  5. Step 5: Solve for x
    x = 780,238,865.70/43,205.68
  6. Step 6: Final answer
    x = 18,058.71

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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.