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Finding the Fourth Proportional to 44,047.94, 66,071.99 and 18,740.94

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Solution

The fourth proportional to 44,047.94, 66,071.99 and 18,740.94 is: 28,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,047.94 : 66,071.99 = 18,740.94 : x
  2. Step 2: Convert to fraction form
    44,047.94/66,071.99 = 18,740.94/x
  3. Step 3: Cross multiply
    44,047.94x = 66,071.99 × 18,740.94
  4. Step 4: Simplify right side
    44,047.94x = 1,238,251,200.27
  5. Step 5: Solve for x
    x = 1,238,251,200.27/44,047.94
  6. Step 6: Final answer
    x = 28,111.44

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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.