Home / 36,841.60-55,262.40-9,139.60

Finding the Fourth Proportional to 36,841.60, 55,262.40 and 9,139.60

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Solution

The fourth proportional to 36,841.60, 55,262.40 and 9,139.60 is: 13,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,841.60 : 55,262.40 = 9,139.60 : x
  2. Step 2: Convert to fraction form
    36,841.60/55,262.40 = 9,139.60/x
  3. Step 3: Cross multiply
    36,841.60x = 55,262.40 × 9,139.60
  4. Step 4: Simplify right side
    36,841.60x = 505,076,231.04
  5. Step 5: Solve for x
    x = 505,076,231.04/36,841.60
  6. Step 6: Final answer
    x = 13,709.40

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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.