Home / 48,614.04-72,911.75-20,524.86

Finding the Fourth Proportional to 48,614.04, 72,911.75 and 20,524.86

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Solution

The fourth proportional to 48,614.04, 72,911.75 and 20,524.86 is: 30,783.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,614.04 : 72,911.75 = 20,524.86 : x
  2. Step 2: Convert to fraction form
    48,614.04/72,911.75 = 20,524.86/x
  3. Step 3: Cross multiply
    48,614.04x = 72,911.75 × 20,524.86
  4. Step 4: Simplify right side
    48,614.04x = 1,496,503,358.48
  5. Step 5: Solve for x
    x = 1,496,503,358.48/48,614.04
  6. Step 6: Final answer
    x = 30,783.36

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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.