Home / 57,640.06-79,550.40-33,775.84

Finding the Fourth Proportional to 57,640.06, 79,550.40 and 33,775.84

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Solution

The fourth proportional to 57,640.06, 79,550.40 and 33,775.84 is: 46,614.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,640.06 : 79,550.40 = 33,775.84 : x
  2. Step 2: Convert to fraction form
    57,640.06/79,550.40 = 33,775.84/x
  3. Step 3: Cross multiply
    57,640.06x = 79,550.40 × 33,775.84
  4. Step 4: Simplify right side
    57,640.06x = 2,686,881,582.34
  5. Step 5: Solve for x
    x = 2,686,881,582.34/57,640.06
  6. Step 6: Final answer
    x = 46,614.83

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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.