Home / 57,329.40-79,079.52-40,303.56

Finding the Fourth Proportional to 57,329.40, 79,079.52 and 40,303.56

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Solution

The fourth proportional to 57,329.40, 79,079.52 and 40,303.56 is: 55,594.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,329.40 : 79,079.52 = 40,303.56 : x
  2. Step 2: Convert to fraction form
    57,329.40/79,079.52 = 40,303.56/x
  3. Step 3: Cross multiply
    57,329.40x = 79,079.52 × 40,303.56
  4. Step 4: Simplify right side
    57,329.40x = 3,187,186,179.09
  5. Step 5: Solve for x
    x = 3,187,186,179.09/57,329.40
  6. Step 6: Final answer
    x = 55,594.27

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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.