Home / 57,823.14-79,766.70-38,703.72

Finding the Fourth Proportional to 57,823.14, 79,766.70 and 38,703.72

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Solution

The fourth proportional to 57,823.14, 79,766.70 and 38,703.72 is: 53,391.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,823.14 : 79,766.70 = 38,703.72 : x
  2. Step 2: Convert to fraction form
    57,823.14/79,766.70 = 38,703.72/x
  3. Step 3: Cross multiply
    57,823.14x = 79,766.70 × 38,703.72
  4. Step 4: Simplify right side
    57,823.14x = 3,087,268,022.12
  5. Step 5: Solve for x
    x = 3,087,268,022.12/57,823.14
  6. Step 6: Final answer
    x = 53,391.57

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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.