Home / 30,053.62-45,090.77-13,425.13

Finding the Fourth Proportional to 30,053.62, 45,090.77 and 13,425.13

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Solution

The fourth proportional to 30,053.62, 45,090.77 and 13,425.13 is: 20,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,053.62 : 45,090.77 = 13,425.13 : x
  2. Step 2: Convert to fraction form
    30,053.62/45,090.77 = 13,425.13/x
  3. Step 3: Cross multiply
    30,053.62x = 45,090.77 × 13,425.13
  4. Step 4: Simplify right side
    30,053.62x = 605,349,449.05
  5. Step 5: Solve for x
    x = 605,349,449.05/30,053.62
  6. Step 6: Final answer
    x = 20,142.31

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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.