Home / 37,779.91-52,137.53-20,786.11

Finding the Fourth Proportional to 37,779.91, 52,137.53 and 20,786.11

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Solution

The fourth proportional to 37,779.91, 52,137.53 and 20,786.11 is: 28,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,779.91 : 52,137.53 = 20,786.11 : x
  2. Step 2: Convert to fraction form
    37,779.91/52,137.53 = 20,786.11/x
  3. Step 3: Cross multiply
    37,779.91x = 52,137.53 × 20,786.11
  4. Step 4: Simplify right side
    37,779.91x = 1,083,736,433.71
  5. Step 5: Solve for x
    x = 1,083,736,433.71/37,779.91
  6. Step 6: Final answer
    x = 28,685.52

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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.