Home / 35,779.21-49,377.62-20,672.52

Finding the Fourth Proportional to 35,779.21, 49,377.62 and 20,672.52

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Solution

The fourth proportional to 35,779.21, 49,377.62 and 20,672.52 is: 28,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,779.21 : 49,377.62 = 20,672.52 : x
  2. Step 2: Convert to fraction form
    35,779.21/49,377.62 = 20,672.52/x
  3. Step 3: Cross multiply
    35,779.21x = 49,377.62 × 20,672.52
  4. Step 4: Simplify right side
    35,779.21x = 1,020,759,837.00
  5. Step 5: Solve for x
    x = 1,020,759,837.00/35,779.21
  6. Step 6: Final answer
    x = 28,529.41

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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.