Home / 30,877.43-42,610.29-17,448.39

Finding the Fourth Proportional to 30,877.43, 42,610.29 and 17,448.39

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Solution

The fourth proportional to 30,877.43, 42,610.29 and 17,448.39 is: 24,078.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,877.43 : 42,610.29 = 17,448.39 : x
  2. Step 2: Convert to fraction form
    30,877.43/42,610.29 = 17,448.39/x
  3. Step 3: Cross multiply
    30,877.43x = 42,610.29 × 17,448.39
  4. Step 4: Simplify right side
    30,877.43x = 743,480,957.93
  5. Step 5: Solve for x
    x = 743,480,957.93/30,877.43
  6. Step 6: Final answer
    x = 24,078.46

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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.