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Finding the Fourth Proportional to 44,937.74, 67,264.44 and 28,239.99

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Solution

The fourth proportional to 44,937.74, 67,264.44 and 28,239.99 is: 42,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,937.74 : 67,264.44 = 28,239.99 : x
  2. Step 2: Convert to fraction form
    44,937.74/67,264.44 = 28,239.99/x
  3. Step 3: Cross multiply
    44,937.74x = 67,264.44 × 28,239.99
  4. Step 4: Simplify right side
    44,937.74x = 1,899,547,112.96
  5. Step 5: Solve for x
    x = 1,899,547,112.96/44,937.74
  6. Step 6: Final answer
    x = 42,270.64

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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.