Home / 48,464.10-72,666.38-18,847.42

Finding the Fourth Proportional to 48,464.10, 72,666.38 and 18,847.42

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Solution

The fourth proportional to 48,464.10, 72,666.38 and 18,847.42 is: 28,259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,464.10 : 72,666.38 = 18,847.42 : x
  2. Step 2: Convert to fraction form
    48,464.10/72,666.38 = 18,847.42/x
  3. Step 3: Cross multiply
    48,464.10x = 72,666.38 × 18,847.42
  4. Step 4: Simplify right side
    48,464.10x = 1,369,573,649.19
  5. Step 5: Solve for x
    x = 1,369,573,649.19/48,464.10
  6. Step 6: Final answer
    x = 28,259.55

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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.