Home / 53,319.58-80,027.86-28,380.72

Finding the Fourth Proportional to 53,319.58, 80,027.86 and 28,380.72

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Solution

The fourth proportional to 53,319.58, 80,027.86 and 28,380.72 is: 42,596.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,319.58 : 80,027.86 = 28,380.72 : x
  2. Step 2: Convert to fraction form
    53,319.58/80,027.86 = 28,380.72/x
  3. Step 3: Cross multiply
    53,319.58x = 80,027.86 × 28,380.72
  4. Step 4: Simplify right side
    53,319.58x = 2,271,248,286.86
  5. Step 5: Solve for x
    x = 2,271,248,286.86/53,319.58
  6. Step 6: Final answer
    x = 42,596.89

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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.