Home / 30,090.50-41,526.33-18,153.59

Finding the Fourth Proportional to 30,090.50, 41,526.33 and 18,153.59

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Solution

The fourth proportional to 30,090.50, 41,526.33 and 18,153.59 is: 25,052.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,090.50 : 41,526.33 = 18,153.59 : x
  2. Step 2: Convert to fraction form
    30,090.50/41,526.33 = 18,153.59/x
  3. Step 3: Cross multiply
    30,090.50x = 41,526.33 × 18,153.59
  4. Step 4: Simplify right side
    30,090.50x = 753,852,072.84
  5. Step 5: Solve for x
    x = 753,852,072.84/30,090.50
  6. Step 6: Final answer
    x = 25,052.82

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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.