Home / 40,145.76-60,209.46-15,188.58

Finding the Fourth Proportional to 40,145.76, 60,209.46 and 15,188.58

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Solution

The fourth proportional to 40,145.76, 60,209.46 and 15,188.58 is: 22,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,145.76 : 60,209.46 = 15,188.58 : x
  2. Step 2: Convert to fraction form
    40,145.76/60,209.46 = 15,188.58/x
  3. Step 3: Cross multiply
    40,145.76x = 60,209.46 × 15,188.58
  4. Step 4: Simplify right side
    40,145.76x = 914,496,199.97
  5. Step 5: Solve for x
    x = 914,496,199.97/40,145.76
  6. Step 6: Final answer
    x = 22,779.40

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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.