Home / 53,451.08-80,173.71-20,170.34

Finding the Fourth Proportional to 53,451.08, 80,173.71 and 20,170.34

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Solution

The fourth proportional to 53,451.08, 80,173.71 and 20,170.34 is: 30,254.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,451.08 : 80,173.71 = 20,170.34 : x
  2. Step 2: Convert to fraction form
    53,451.08/80,173.71 = 20,170.34/x
  3. Step 3: Cross multiply
    53,451.08x = 80,173.71 × 20,170.34
  4. Step 4: Simplify right side
    53,451.08x = 1,617,130,588.89
  5. Step 5: Solve for x
    x = 1,617,130,588.89/53,451.08
  6. Step 6: Final answer
    x = 30,254.41

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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.