Home / 54,779.80-82,145.40-25,206.70

Finding the Fourth Proportional to 54,779.80, 82,145.40 and 25,206.70

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Solution

The fourth proportional to 54,779.80, 82,145.40 and 25,206.70 is: 37,798.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,779.80 : 82,145.40 = 25,206.70 : x
  2. Step 2: Convert to fraction form
    54,779.80/82,145.40 = 25,206.70/x
  3. Step 3: Cross multiply
    54,779.80x = 82,145.40 × 25,206.70
  4. Step 4: Simplify right side
    54,779.80x = 2,070,614,454.18
  5. Step 5: Solve for x
    x = 2,070,614,454.18/54,779.80
  6. Step 6: Final answer
    x = 37,798.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.