Home / 53,614.47-80,420.76-18,553.62

Finding the Fourth Proportional to 53,614.47, 80,420.76 and 18,553.62

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Solution

The fourth proportional to 53,614.47, 80,420.76 and 18,553.62 is: 27,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,614.47 : 80,420.76 = 18,553.62 : x
  2. Step 2: Convert to fraction form
    53,614.47/80,420.76 = 18,553.62/x
  3. Step 3: Cross multiply
    53,614.47x = 80,420.76 × 18,553.62
  4. Step 4: Simplify right side
    53,614.47x = 1,492,096,221.15
  5. Step 5: Solve for x
    x = 1,492,096,221.15/53,614.47
  6. Step 6: Final answer
    x = 27,830.10

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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.