Home / 33,788.15-46,627.35-18,681.20

Finding the Fourth Proportional to 33,788.15, 46,627.35 and 18,681.20

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Solution

The fourth proportional to 33,788.15, 46,627.35 and 18,681.20 is: 25,779.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,788.15 : 46,627.35 = 18,681.20 : x
  2. Step 2: Convert to fraction form
    33,788.15/46,627.35 = 18,681.20/x
  3. Step 3: Cross multiply
    33,788.15x = 46,627.35 × 18,681.20
  4. Step 4: Simplify right side
    33,788.15x = 871,054,722.48
  5. Step 5: Solve for x
    x = 871,054,722.48/33,788.15
  6. Step 6: Final answer
    x = 25,779.88

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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.