Home / 30,073.98-45,090.47-15,254.33

Finding the Fourth Proportional to 30,073.98, 45,090.47 and 15,254.33

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Solution

The fourth proportional to 30,073.98, 45,090.47 and 15,254.33 is: 22,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,073.98 : 45,090.47 = 15,254.33 : x
  2. Step 2: Convert to fraction form
    30,073.98/45,090.47 = 15,254.33/x
  3. Step 3: Cross multiply
    30,073.98x = 45,090.47 × 15,254.33
  4. Step 4: Simplify right side
    30,073.98x = 687,824,721.92
  5. Step 5: Solve for x
    x = 687,824,721.92/30,073.98
  6. Step 6: Final answer
    x = 22,871.09

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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.