Home / 53,748.31-80,622.46-20,483.77

Finding the Fourth Proportional to 53,748.31, 80,622.46 and 20,483.77

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Solution

The fourth proportional to 53,748.31, 80,622.46 and 20,483.77 is: 30,725.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,748.31 : 80,622.46 = 20,483.77 : x
  2. Step 2: Convert to fraction form
    53,748.31/80,622.46 = 20,483.77/x
  3. Step 3: Cross multiply
    53,748.31x = 80,622.46 × 20,483.77
  4. Step 4: Simplify right side
    53,748.31x = 1,651,451,960.30
  5. Step 5: Solve for x
    x = 1,651,451,960.30/53,748.31
  6. Step 6: Final answer
    x = 30,725.65

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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.