Home / 43,725.70-65,512.95-20,304.10

Finding the Fourth Proportional to 43,725.70, 65,512.95 and 20,304.10

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Solution

The fourth proportional to 43,725.70, 65,512.95 and 20,304.10 is: 30,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,725.70 : 65,512.95 = 20,304.10 : x
  2. Step 2: Convert to fraction form
    43,725.70/65,512.95 = 20,304.10/x
  3. Step 3: Cross multiply
    43,725.70x = 65,512.95 × 20,304.10
  4. Step 4: Simplify right side
    43,725.70x = 1,330,181,488.10
  5. Step 5: Solve for x
    x = 1,330,181,488.10/43,725.70
  6. Step 6: Final answer
    x = 30,421.05

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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.