Home / 48,415.74-72,605.34-18,829.86

Finding the Fourth Proportional to 48,415.74, 72,605.34 and 18,829.86

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Solution

The fourth proportional to 48,415.74, 72,605.34 and 18,829.86 is: 28,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,415.74 : 72,605.34 = 18,829.86 : x
  2. Step 2: Convert to fraction form
    48,415.74/72,605.34 = 18,829.86/x
  3. Step 3: Cross multiply
    48,415.74x = 72,605.34 × 18,829.86
  4. Step 4: Simplify right side
    48,415.74x = 1,367,148,387.45
  5. Step 5: Solve for x
    x = 1,367,148,387.45/48,415.74
  6. Step 6: Final answer
    x = 28,237.68

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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.