Home / 48,269.61-66,609.32-28,129.77

Finding the Fourth Proportional to 48,269.61, 66,609.32 and 28,129.77

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Solution

The fourth proportional to 48,269.61, 66,609.32 and 28,129.77 is: 38,817.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,269.61 : 66,609.32 = 28,129.77 : x
  2. Step 2: Convert to fraction form
    48,269.61/66,609.32 = 28,129.77/x
  3. Step 3: Cross multiply
    48,269.61x = 66,609.32 × 28,129.77
  4. Step 4: Simplify right side
    48,269.61x = 1,873,704,710.81
  5. Step 5: Solve for x
    x = 1,873,704,710.81/48,269.61
  6. Step 6: Final answer
    x = 38,817.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.