Home / 44,677.56-66,996.64-20,991.84

Finding the Fourth Proportional to 44,677.56, 66,996.64 and 20,991.84

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Solution

The fourth proportional to 44,677.56, 66,996.64 and 20,991.84 is: 31,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,677.56 : 66,996.64 = 20,991.84 : x
  2. Step 2: Convert to fraction form
    44,677.56/66,996.64 = 20,991.84/x
  3. Step 3: Cross multiply
    44,677.56x = 66,996.64 × 20,991.84
  4. Step 4: Simplify right side
    44,677.56x = 1,406,382,747.42
  5. Step 5: Solve for x
    x = 1,406,382,747.42/44,677.56
  6. Step 6: Final answer
    x = 31,478.50

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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.