Home / 37,779.48-52,135.92-20,785.14

Finding the Fourth Proportional to 37,779.48, 52,135.92 and 20,785.14

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Solution

The fourth proportional to 37,779.48, 52,135.92 and 20,785.14 is: 28,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,779.48 : 52,135.92 = 20,785.14 : x
  2. Step 2: Convert to fraction form
    37,779.48/52,135.92 = 20,785.14/x
  3. Step 3: Cross multiply
    37,779.48x = 52,135.92 × 20,785.14
  4. Step 4: Simplify right side
    37,779.48x = 1,083,652,396.23
  5. Step 5: Solve for x
    x = 1,083,652,396.23/37,779.48
  6. Step 6: Final answer
    x = 28,683.62

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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.