Home / 53,590.20-80,385.72-14,147.04

Finding the Fourth Proportional to 53,590.20, 80,385.72 and 14,147.04

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Solution

The fourth proportional to 53,590.20, 80,385.72 and 14,147.04 is: 21,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,590.20 : 80,385.72 = 14,147.04 : x
  2. Step 2: Convert to fraction form
    53,590.20/80,385.72 = 14,147.04/x
  3. Step 3: Cross multiply
    53,590.20x = 80,385.72 × 14,147.04
  4. Step 4: Simplify right side
    53,590.20x = 1,137,219,996.27
  5. Step 5: Solve for x
    x = 1,137,219,996.27/53,590.20
  6. Step 6: Final answer
    x = 21,220.67

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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.