Home / 40,245.53-60,368.83-12,165.80

Finding the Fourth Proportional to 40,245.53, 60,368.83 and 12,165.80

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Solution

The fourth proportional to 40,245.53, 60,368.83 and 12,165.80 is: 18,248.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,245.53 : 60,368.83 = 12,165.80 : x
  2. Step 2: Convert to fraction form
    40,245.53/60,368.83 = 12,165.80/x
  3. Step 3: Cross multiply
    40,245.53x = 60,368.83 × 12,165.80
  4. Step 4: Simplify right side
    40,245.53x = 734,434,779.76
  5. Step 5: Solve for x
    x = 734,434,779.76/40,245.53
  6. Step 6: Final answer
    x = 18,248.86

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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.