Home / 53,543.85-80,319.53-21,522.93

Finding the Fourth Proportional to 53,543.85, 80,319.53 and 21,522.93

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Solution

The fourth proportional to 53,543.85, 80,319.53 and 21,522.93 is: 32,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,543.85 : 80,319.53 = 21,522.93 : x
  2. Step 2: Convert to fraction form
    53,543.85/80,319.53 = 21,522.93/x
  3. Step 3: Cross multiply
    53,543.85x = 80,319.53 × 21,522.93
  4. Step 4: Simplify right side
    53,543.85x = 1,728,711,621.82
  5. Step 5: Solve for x
    x = 1,728,711,621.82/53,543.85
  6. Step 6: Final answer
    x = 32,285.90

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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.