Home / 48,613.18-72,913.62-19,051.78

Finding the Fourth Proportional to 48,613.18, 72,913.62 and 19,051.78

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Solution

The fourth proportional to 48,613.18, 72,913.62 and 19,051.78 is: 28,575.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,613.18 : 72,913.62 = 19,051.78 : x
  2. Step 2: Convert to fraction form
    48,613.18/72,913.62 = 19,051.78/x
  3. Step 3: Cross multiply
    48,613.18x = 72,913.62 × 19,051.78
  4. Step 4: Simplify right side
    48,613.18x = 1,389,133,882.68
  5. Step 5: Solve for x
    x = 1,389,133,882.68/48,613.18
  6. Step 6: Final answer
    x = 28,575.25

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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.