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Finding the Fourth Proportional to 48,967.61, 73,404.83 and 15,666.21

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Solution

The fourth proportional to 48,967.61, 73,404.83 and 15,666.21 is: 23,484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,967.61 : 73,404.83 = 15,666.21 : x
  2. Step 2: Convert to fraction form
    48,967.61/73,404.83 = 15,666.21/x
  3. Step 3: Cross multiply
    48,967.61x = 73,404.83 × 15,666.21
  4. Step 4: Simplify right side
    48,967.61x = 1,149,975,520.96
  5. Step 5: Solve for x
    x = 1,149,975,520.96/48,967.61
  6. Step 6: Final answer
    x = 23,484.41

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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.