Home / 57,807.80-79,774.29-40,604.33

Finding the Fourth Proportional to 57,807.80, 79,774.29 and 40,604.33

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Solution

The fourth proportional to 57,807.80, 79,774.29 and 40,604.33 is: 56,033.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,807.80 : 79,774.29 = 40,604.33 : x
  2. Step 2: Convert to fraction form
    57,807.80/79,774.29 = 40,604.33/x
  3. Step 3: Cross multiply
    57,807.80x = 79,774.29 × 40,604.33
  4. Step 4: Simplify right side
    57,807.80x = 3,239,181,596.68
  5. Step 5: Solve for x
    x = 3,239,181,596.68/57,807.80
  6. Step 6: Final answer
    x = 56,033.64

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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.