Home / 47,290.42-65,259.11-25,779.72

Finding the Fourth Proportional to 47,290.42, 65,259.11 and 25,779.72

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Solution

The fourth proportional to 47,290.42, 65,259.11 and 25,779.72 is: 35,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,290.42 : 65,259.11 = 25,779.72 : x
  2. Step 2: Convert to fraction form
    47,290.42/65,259.11 = 25,779.72/x
  3. Step 3: Cross multiply
    47,290.42x = 65,259.11 × 25,779.72
  4. Step 4: Simplify right side
    47,290.42x = 1,682,361,454.35
  5. Step 5: Solve for x
    x = 1,682,361,454.35/47,290.42
  6. Step 6: Final answer
    x = 35,575.10

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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.