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Finding the Fourth Proportional to 53,150.56, 79,739.62 and 15,709.12

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Solution

The fourth proportional to 53,150.56, 79,739.62 and 15,709.12 is: 23,567.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,150.56 : 79,739.62 = 15,709.12 : x
  2. Step 2: Convert to fraction form
    53,150.56/79,739.62 = 15,709.12/x
  3. Step 3: Cross multiply
    53,150.56x = 79,739.62 × 15,709.12
  4. Step 4: Simplify right side
    53,150.56x = 1,252,639,259.33
  5. Step 5: Solve for x
    x = 1,252,639,259.33/53,150.56
  6. Step 6: Final answer
    x = 23,567.75

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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.