Home / 53,863.08-80,770.86-28,895.64

Finding the Fourth Proportional to 53,863.08, 80,770.86 and 28,895.64

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Solution

The fourth proportional to 53,863.08, 80,770.86 and 28,895.64 is: 43,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,863.08 : 80,770.86 = 28,895.64 : x
  2. Step 2: Convert to fraction form
    53,863.08/80,770.86 = 28,895.64/x
  3. Step 3: Cross multiply
    53,863.08x = 80,770.86 × 28,895.64
  4. Step 4: Simplify right side
    53,863.08x = 2,333,925,693.05
  5. Step 5: Solve for x
    x = 2,333,925,693.05/53,863.08
  6. Step 6: Final answer
    x = 43,330.71

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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.