Home / 57,727.36-79,708.80-45,187.84

Finding the Fourth Proportional to 57,727.36, 79,708.80 and 45,187.84

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Solution

The fourth proportional to 57,727.36, 79,708.80 and 45,187.84 is: 62,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,727.36 : 79,708.80 = 45,187.84 : x
  2. Step 2: Convert to fraction form
    57,727.36/79,708.80 = 45,187.84/x
  3. Step 3: Cross multiply
    57,727.36x = 79,708.80 × 45,187.84
  4. Step 4: Simplify right side
    57,727.36x = 3,601,868,500.99
  5. Step 5: Solve for x
    x = 3,601,868,500.99/57,727.36
  6. Step 6: Final answer
    x = 62,394.48

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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.