Home / 43,514.40-65,271.60-13,933.20

Finding the Fourth Proportional to 43,514.40, 65,271.60 and 13,933.20

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Solution

The fourth proportional to 43,514.40, 65,271.60 and 13,933.20 is: 20,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,514.40 : 65,271.60 = 13,933.20 : x
  2. Step 2: Convert to fraction form
    43,514.40/65,271.60 = 13,933.20/x
  3. Step 3: Cross multiply
    43,514.40x = 65,271.60 × 13,933.20
  4. Step 4: Simplify right side
    43,514.40x = 909,442,257.12
  5. Step 5: Solve for x
    x = 909,442,257.12/43,514.40
  6. Step 6: Final answer
    x = 20,899.80

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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.