Home / 40,209.03-60,320.40-13,907.64

Finding the Fourth Proportional to 40,209.03, 60,320.40 and 13,907.64

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Solution

The fourth proportional to 40,209.03, 60,320.40 and 13,907.64 is: 20,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,209.03 : 60,320.40 = 13,907.64 : x
  2. Step 2: Convert to fraction form
    40,209.03/60,320.40 = 13,907.64/x
  3. Step 3: Cross multiply
    40,209.03x = 60,320.40 × 13,907.64
  4. Step 4: Simplify right side
    40,209.03x = 838,914,407.86
  5. Step 5: Solve for x
    x = 838,914,407.86/40,209.03
  6. Step 6: Final answer
    x = 20,863.83

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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.