Home / 53,875.35-80,808.17-18,812.88

Finding the Fourth Proportional to 53,875.35, 80,808.17 and 18,812.88

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Solution

The fourth proportional to 53,875.35, 80,808.17 and 18,812.88 is: 28,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,875.35 : 80,808.17 = 18,812.88 : x
  2. Step 2: Convert to fraction form
    53,875.35/80,808.17 = 18,812.88/x
  3. Step 3: Cross multiply
    53,875.35x = 80,808.17 × 18,812.88
  4. Step 4: Simplify right side
    53,875.35x = 1,520,234,311.17
  5. Step 5: Solve for x
    x = 1,520,234,311.17/53,875.35
  6. Step 6: Final answer
    x = 28,217.62

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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.