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Finding the Fourth Proportional to 53,026.60, 79,538.10 and 13,584.10

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Solution

The fourth proportional to 53,026.60, 79,538.10 and 13,584.10 is: 20,375.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,026.60 : 79,538.10 = 13,584.10 : x
  2. Step 2: Convert to fraction form
    53,026.60/79,538.10 = 13,584.10/x
  3. Step 3: Cross multiply
    53,026.60x = 79,538.10 × 13,584.10
  4. Step 4: Simplify right side
    53,026.60x = 1,080,453,504.21
  5. Step 5: Solve for x
    x = 1,080,453,504.21/53,026.60
  6. Step 6: Final answer
    x = 20,375.69

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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.