Home / 47,540.40-65,585.15-28,667.04

Finding the Fourth Proportional to 47,540.40, 65,585.15 and 28,667.04

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Solution

The fourth proportional to 47,540.40, 65,585.15 and 28,667.04 is: 39,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,540.40 : 65,585.15 = 28,667.04 : x
  2. Step 2: Convert to fraction form
    47,540.40/65,585.15 = 28,667.04/x
  3. Step 3: Cross multiply
    47,540.40x = 65,585.15 × 28,667.04
  4. Step 4: Simplify right side
    47,540.40x = 1,880,132,118.46
  5. Step 5: Solve for x
    x = 1,880,132,118.46/47,540.40
  6. Step 6: Final answer
    x = 39,548.09

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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.