Home / 57,070.27-85,480.57-28,941.85

Finding the Fourth Proportional to 57,070.27, 85,480.57 and 28,941.85

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Solution

The fourth proportional to 57,070.27, 85,480.57 and 28,941.85 is: 43,349.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,070.27 : 85,480.57 = 28,941.85 : x
  2. Step 2: Convert to fraction form
    57,070.27/85,480.57 = 28,941.85/x
  3. Step 3: Cross multiply
    57,070.27x = 85,480.57 × 28,941.85
  4. Step 4: Simplify right side
    57,070.27x = 2,473,965,834.85
  5. Step 5: Solve for x
    x = 2,473,965,834.85/57,070.27
  6. Step 6: Final answer
    x = 43,349.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.