Home / 48,294.34-72,399.63-18,691.80

Finding the Fourth Proportional to 48,294.34, 72,399.63 and 18,691.80

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Solution

The fourth proportional to 48,294.34, 72,399.63 and 18,691.80 is: 28,021.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,294.34 : 72,399.63 = 18,691.80 : x
  2. Step 2: Convert to fraction form
    48,294.34/72,399.63 = 18,691.80/x
  3. Step 3: Cross multiply
    48,294.34x = 72,399.63 × 18,691.80
  4. Step 4: Simplify right side
    48,294.34x = 1,353,279,404.03
  5. Step 5: Solve for x
    x = 1,353,279,404.03/48,294.34
  6. Step 6: Final answer
    x = 28,021.49

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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.