Home / 35,779.14-49,377.47-20,671.83

Finding the Fourth Proportional to 35,779.14, 49,377.47 and 20,671.83

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Solution

The fourth proportional to 35,779.14, 49,377.47 and 20,671.83 is: 28,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,779.14 : 49,377.47 = 20,671.83 : x
  2. Step 2: Convert to fraction form
    35,779.14/49,377.47 = 20,671.83/x
  3. Step 3: Cross multiply
    35,779.14x = 49,377.47 × 20,671.83
  4. Step 4: Simplify right side
    35,779.14x = 1,020,722,562.31
  5. Step 5: Solve for x
    x = 1,020,722,562.31/35,779.14
  6. Step 6: Final answer
    x = 28,528.43

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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.