Home / 57,405.03-79,245.84-38,317.04

Finding the Fourth Proportional to 57,405.03, 79,245.84 and 38,317.04

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Solution

The fourth proportional to 57,405.03, 79,245.84 and 38,317.04 is: 52,895.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,405.03 : 79,245.84 = 38,317.04 : x
  2. Step 2: Convert to fraction form
    57,405.03/79,245.84 = 38,317.04/x
  3. Step 3: Cross multiply
    57,405.03x = 79,245.84 × 38,317.04
  4. Step 4: Simplify right side
    57,405.03x = 3,036,466,021.11
  5. Step 5: Solve for x
    x = 3,036,466,021.11/57,405.03
  6. Step 6: Final answer
    x = 52,895.47

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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.