Home / 48,269.96-66,609.81-28,130.12

Finding the Fourth Proportional to 48,269.96, 66,609.81 and 28,130.12

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Solution

The fourth proportional to 48,269.96, 66,609.81 and 28,130.12 is: 38,817.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,269.96 : 66,609.81 = 28,130.12 : x
  2. Step 2: Convert to fraction form
    48,269.96/66,609.81 = 28,130.12/x
  3. Step 3: Cross multiply
    48,269.96x = 66,609.81 × 28,130.12
  4. Step 4: Simplify right side
    48,269.96x = 1,873,741,948.48
  5. Step 5: Solve for x
    x = 1,873,741,948.48/48,269.96
  6. Step 6: Final answer
    x = 38,817.97

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1.5x scale

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.