Home / 57,775.99-79,731.40-33,903.07

Finding the Fourth Proportional to 57,775.99, 79,731.40 and 33,903.07

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Solution

The fourth proportional to 57,775.99, 79,731.40 and 33,903.07 is: 46,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,775.99 : 79,731.40 = 33,903.07 : x
  2. Step 2: Convert to fraction form
    57,775.99/79,731.40 = 33,903.07/x
  3. Step 3: Cross multiply
    57,775.99x = 79,731.40 × 33,903.07
  4. Step 4: Simplify right side
    57,775.99x = 2,703,139,235.40
  5. Step 5: Solve for x
    x = 2,703,139,235.40/57,775.99
  6. Step 6: Final answer
    x = 46,786.55

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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.