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Finding the Fourth Proportional to 36,779.28, 55,169.04 and 9,077.28

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Solution

The fourth proportional to 36,779.28, 55,169.04 and 9,077.28 is: 13,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,779.28 : 55,169.04 = 9,077.28 : x
  2. Step 2: Convert to fraction form
    36,779.28/55,169.04 = 9,077.28/x
  3. Step 3: Cross multiply
    36,779.28x = 55,169.04 × 9,077.28
  4. Step 4: Simplify right side
    36,779.28x = 500,784,823.41
  5. Step 5: Solve for x
    x = 500,784,823.41/36,779.28
  6. Step 6: Final answer
    x = 13,615.95

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1.5x scale

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.