Home / 32,977.53-49,490.60-20,515.88

Finding the Fourth Proportional to 32,977.53, 49,490.60 and 20,515.88

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Solution

The fourth proportional to 32,977.53, 49,490.60 and 20,515.88 is: 30,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,977.53 : 49,490.60 = 20,515.88 : x
  2. Step 2: Convert to fraction form
    32,977.53/49,490.60 = 20,515.88/x
  3. Step 3: Cross multiply
    32,977.53x = 49,490.60 × 20,515.88
  4. Step 4: Simplify right side
    32,977.53x = 1,015,343,231.88
  5. Step 5: Solve for x
    x = 1,015,343,231.88/32,977.53
  6. Step 6: Final answer
    x = 30,788.94

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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.