Home / 39,461.54-54,454.74-21,552.98

Finding the Fourth Proportional to 39,461.54, 54,454.74 and 21,552.98

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Solution

The fourth proportional to 39,461.54, 54,454.74 and 21,552.98 is: 29,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,461.54 : 54,454.74 = 21,552.98 : x
  2. Step 2: Convert to fraction form
    39,461.54/54,454.74 = 21,552.98/x
  3. Step 3: Cross multiply
    39,461.54x = 54,454.74 × 21,552.98
  4. Step 4: Simplify right side
    39,461.54x = 1,173,661,922.13
  5. Step 5: Solve for x
    x = 1,173,661,922.13/39,461.54
  6. Step 6: Final answer
    x = 29,741.92

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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.