Home / 39,366.86-54,326.82-21,461.85

Finding the Fourth Proportional to 39,366.86, 54,326.82 and 21,461.85

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Solution

The fourth proportional to 39,366.86, 54,326.82 and 21,461.85 is: 29,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366.86 : 54,326.82 = 21,461.85 : x
  2. Step 2: Convert to fraction form
    39,366.86/54,326.82 = 21,461.85/x
  3. Step 3: Cross multiply
    39,366.86x = 54,326.82 × 21,461.85
  4. Step 4: Simplify right side
    39,366.86x = 1,165,954,061.82
  5. Step 5: Solve for x
    x = 1,165,954,061.82/39,366.86
  6. Step 6: Final answer
    x = 29,617.66

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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.