Home / 37,779.39-52,134.51-20,783.55

Finding the Fourth Proportional to 37,779.39, 52,134.51 and 20,783.55

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Solution

The fourth proportional to 37,779.39, 52,134.51 and 20,783.55 is: 28,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,779.39 : 52,134.51 = 20,783.55 : x
  2. Step 2: Convert to fraction form
    37,779.39/52,134.51 = 20,783.55/x
  3. Step 3: Cross multiply
    37,779.39x = 52,134.51 × 20,783.55
  4. Step 4: Simplify right side
    37,779.39x = 1,083,540,195.31
  5. Step 5: Solve for x
    x = 1,083,540,195.31/37,779.39
  6. Step 6: Final answer
    x = 28,680.72

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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.