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Finding the Fourth Proportional to 74,677.41, 112,012.41 and 27,926.64

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Solution

The fourth proportional to 74,677.41, 112,012.41 and 27,926.64 is: 41,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,677.41 : 112,012.41 = 27,926.64 : x
  2. Step 2: Convert to fraction form
    74,677.41/112,012.41 = 27,926.64/x
  3. Step 3: Cross multiply
    74,677.41x = 112,012.41 × 27,926.64
  4. Step 4: Simplify right side
    74,677.41x = 3,128,130,249.60
  5. Step 5: Solve for x
    x = 3,128,130,249.60/74,677.41
  6. Step 6: Final answer
    x = 41,888.57

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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.