Home / 30,252.47-45,364.82-17,778.36

Finding the Fourth Proportional to 30,252.47, 45,364.82 and 17,778.36

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Solution

The fourth proportional to 30,252.47, 45,364.82 and 17,778.36 is: 26,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.47 : 45,364.82 = 17,778.36 : x
  2. Step 2: Convert to fraction form
    30,252.47/45,364.82 = 17,778.36/x
  3. Step 3: Cross multiply
    30,252.47x = 45,364.82 × 17,778.36
  4. Step 4: Simplify right side
    30,252.47x = 806,512,012.40
  5. Step 5: Solve for x
    x = 806,512,012.40/30,252.47
  6. Step 6: Final answer
    x = 26,659.38

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1.5x scale

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.