Home / 55,779.27-76,974.44-30,628.59

Finding the Fourth Proportional to 55,779.27, 76,974.44 and 30,628.59

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Solution

The fourth proportional to 55,779.27, 76,974.44 and 30,628.59 is: 42,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779.27 : 76,974.44 = 30,628.59 : x
  2. Step 2: Convert to fraction form
    55,779.27/76,974.44 = 30,628.59/x
  3. Step 3: Cross multiply
    55,779.27x = 76,974.44 × 30,628.59
  4. Step 4: Simplify right side
    55,779.27x = 2,357,618,410.10
  5. Step 5: Solve for x
    x = 2,357,618,410.10/55,779.27
  6. Step 6: Final answer
    x = 42,266.93

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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.