Home / 37,779.57-52,136.74-20,784.27

Finding the Fourth Proportional to 37,779.57, 52,136.74 and 20,784.27

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Solution

The fourth proportional to 37,779.57, 52,136.74 and 20,784.27 is: 28,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,779.57 : 52,136.74 = 20,784.27 : x
  2. Step 2: Convert to fraction form
    37,779.57/52,136.74 = 20,784.27/x
  3. Step 3: Cross multiply
    37,779.57x = 52,136.74 × 20,784.27
  4. Step 4: Simplify right side
    37,779.57x = 1,083,624,029.12
  5. Step 5: Solve for x
    x = 1,083,624,029.12/37,779.57
  6. Step 6: Final answer
    x = 28,682.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.