Home / 30,434.13-42,010.80-27,241.78

Finding the Fourth Proportional to 30,434.13, 42,010.80 and 27,241.78

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Solution

The fourth proportional to 30,434.13, 42,010.80 and 27,241.78 is: 37,604.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,434.13 : 42,010.80 = 27,241.78 : x
  2. Step 2: Convert to fraction form
    30,434.13/42,010.80 = 27,241.78/x
  3. Step 3: Cross multiply
    30,434.13x = 42,010.80 × 27,241.78
  4. Step 4: Simplify right side
    30,434.13x = 1,144,448,971.22
  5. Step 5: Solve for x
    x = 1,144,448,971.22/30,434.13
  6. Step 6: Final answer
    x = 37,604.13

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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.