Home / 39,670.26-54,746.22-21,766.44

Finding the Fourth Proportional to 39,670.26, 54,746.22 and 21,766.44

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Solution

The fourth proportional to 39,670.26, 54,746.22 and 21,766.44 is: 30,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,670.26 : 54,746.22 = 21,766.44 : x
  2. Step 2: Convert to fraction form
    39,670.26/54,746.22 = 21,766.44/x
  3. Step 3: Cross multiply
    39,670.26x = 54,746.22 × 21,766.44
  4. Step 4: Simplify right side
    39,670.26x = 1,191,630,312.86
  5. Step 5: Solve for x
    x = 1,191,630,312.86/39,670.26
  6. Step 6: Final answer
    x = 30,038.38

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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.