Home / 53,390.03-80,090.51-18,325.13

Finding the Fourth Proportional to 53,390.03, 80,090.51 and 18,325.13

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Solution

The fourth proportional to 53,390.03, 80,090.51 and 18,325.13 is: 27,489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.03 : 80,090.51 = 18,325.13 : x
  2. Step 2: Convert to fraction form
    53,390.03/80,090.51 = 18,325.13/x
  3. Step 3: Cross multiply
    53,390.03x = 80,090.51 × 18,325.13
  4. Step 4: Simplify right side
    53,390.03x = 1,467,668,515.44
  5. Step 5: Solve for x
    x = 1,467,668,515.44/53,390.03
  6. Step 6: Final answer
    x = 27,489.56

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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.