Home / 37,771.40-52,127.92-20,779.02

Finding the Fourth Proportional to 37,771.40, 52,127.92 and 20,779.02

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Solution

The fourth proportional to 37,771.40, 52,127.92 and 20,779.02 is: 28,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,771.40 : 52,127.92 = 20,779.02 : x
  2. Step 2: Convert to fraction form
    37,771.40/52,127.92 = 20,779.02/x
  3. Step 3: Cross multiply
    37,771.40x = 52,127.92 × 20,779.02
  4. Step 4: Simplify right side
    37,771.40x = 1,083,167,092.24
  5. Step 5: Solve for x
    x = 1,083,167,092.24/37,771.40
  6. Step 6: Final answer
    x = 28,676.91

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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.