Home / 37,779.77-52,135.35-20,783.02

Finding the Fourth Proportional to 37,779.77, 52,135.35 and 20,783.02

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Solution

The fourth proportional to 37,779.77, 52,135.35 and 20,783.02 is: 28,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,779.77 : 52,135.35 = 20,783.02 : x
  2. Step 2: Convert to fraction form
    37,779.77/52,135.35 = 20,783.02/x
  3. Step 3: Cross multiply
    37,779.77x = 52,135.35 × 20,783.02
  4. Step 4: Simplify right side
    37,779.77x = 1,083,529,761.08
  5. Step 5: Solve for x
    x = 1,083,529,761.08/37,779.77
  6. Step 6: Final answer
    x = 28,680.16

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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.