Home / 55,532.04-76,634.82-30,381

Finding the Fourth Proportional to 55,532.04, 76,634.82 and 30,381

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Solution

The fourth proportional to 55,532.04, 76,634.82 and 30,381 is: 41,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,532.04 : 76,634.82 = 30,381 : x
  2. Step 2: Convert to fraction form
    55,532.04/76,634.82 = 30,381/x
  3. Step 3: Cross multiply
    55,532.04x = 76,634.82 × 30,381
  4. Step 4: Simplify right side
    55,532.04x = 2,328,242,466.42
  5. Step 5: Solve for x
    x = 2,328,242,466.42/55,532.04
  6. Step 6: Final answer
    x = 41,926.11

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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.