Home / 48,527.09-66,966.90-28,380.15

Finding the Fourth Proportional to 48,527.09, 66,966.90 and 28,380.15

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Solution

The fourth proportional to 48,527.09, 66,966.90 and 28,380.15 is: 39,164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,527.09 : 66,966.90 = 28,380.15 : x
  2. Step 2: Convert to fraction form
    48,527.09/66,966.90 = 28,380.15/x
  3. Step 3: Cross multiply
    48,527.09x = 66,966.90 × 28,380.15
  4. Step 4: Simplify right side
    48,527.09x = 1,900,530,667.04
  5. Step 5: Solve for x
    x = 1,900,530,667.04/48,527.09
  6. Step 6: Final answer
    x = 39,164.33

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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.