Home / 35,920.11-53,855.16-15,918.75

Finding the Fourth Proportional to 35,920.11, 53,855.16 and 15,918.75

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Solution

The fourth proportional to 35,920.11, 53,855.16 and 15,918.75 is: 23,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,920.11 : 53,855.16 = 15,918.75 : x
  2. Step 2: Convert to fraction form
    35,920.11/53,855.16 = 15,918.75/x
  3. Step 3: Cross multiply
    35,920.11x = 53,855.16 × 15,918.75
  4. Step 4: Simplify right side
    35,920.11x = 857,306,828.25
  5. Step 5: Solve for x
    x = 857,306,828.25/35,920.11
  6. Step 6: Final answer
    x = 23,867.04

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1.5x scale

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.