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Finding the Fourth Proportional to 44,756.94, 67,135.41 and 21,312.30

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Solution

The fourth proportional to 44,756.94, 67,135.41 and 21,312.30 is: 31,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,756.94 : 67,135.41 = 21,312.30 : x
  2. Step 2: Convert to fraction form
    44,756.94/67,135.41 = 21,312.30/x
  3. Step 3: Cross multiply
    44,756.94x = 67,135.41 × 21,312.30
  4. Step 4: Simplify right side
    44,756.94x = 1,430,809,998.54
  5. Step 5: Solve for x
    x = 1,430,809,998.54/44,756.94
  6. Step 6: Final answer
    x = 31,968.45

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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.