Home / 39,506.15-54,518.10-21,600.96

Finding the Fourth Proportional to 39,506.15, 54,518.10 and 21,600.96

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Solution

The fourth proportional to 39,506.15, 54,518.10 and 21,600.96 is: 29,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,506.15 : 54,518.10 = 21,600.96 : x
  2. Step 2: Convert to fraction form
    39,506.15/54,518.10 = 21,600.96/x
  3. Step 3: Cross multiply
    39,506.15x = 54,518.10 × 21,600.96
  4. Step 4: Simplify right side
    39,506.15x = 1,177,643,297.38
  5. Step 5: Solve for x
    x = 1,177,643,297.38/39,506.15
  6. Step 6: Final answer
    x = 29,809.12

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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.