Home / 53,171.06-79,756.90-13,725.48

Finding the Fourth Proportional to 53,171.06, 79,756.90 and 13,725.48

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Solution

The fourth proportional to 53,171.06, 79,756.90 and 13,725.48 is: 20,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,171.06 : 79,756.90 = 13,725.48 : x
  2. Step 2: Convert to fraction form
    53,171.06/79,756.90 = 13,725.48/x
  3. Step 3: Cross multiply
    53,171.06x = 79,756.90 × 13,725.48
  4. Step 4: Simplify right side
    53,171.06x = 1,094,701,735.81
  5. Step 5: Solve for x
    x = 1,094,701,735.81/53,171.06
  6. Step 6: Final answer
    x = 20,588.30

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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.