Home / 30,090.38-41,526.15-18,153.46

Finding the Fourth Proportional to 30,090.38, 41,526.15 and 18,153.46

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Solution

The fourth proportional to 30,090.38, 41,526.15 and 18,153.46 is: 25,052.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,090.38 : 41,526.15 = 18,153.46 : x
  2. Step 2: Convert to fraction form
    30,090.38/41,526.15 = 18,153.46/x
  3. Step 3: Cross multiply
    30,090.38x = 41,526.15 × 18,153.46
  4. Step 4: Simplify right side
    30,090.38x = 753,843,302.98
  5. Step 5: Solve for x
    x = 753,843,302.98/30,090.38
  6. Step 6: Final answer
    x = 25,052.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.