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Finding the Fourth Proportional to 54,603.50, 75,376.08 and 36,708.89

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Solution

The fourth proportional to 54,603.50, 75,376.08 and 36,708.89 is: 50,673.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,603.50 : 75,376.08 = 36,708.89 : x
  2. Step 2: Convert to fraction form
    54,603.50/75,376.08 = 36,708.89/x
  3. Step 3: Cross multiply
    54,603.50x = 75,376.08 × 36,708.89
  4. Step 4: Simplify right side
    54,603.50x = 2,766,971,958.47
  5. Step 5: Solve for x
    x = 2,766,971,958.47/54,603.50
  6. Step 6: Final answer
    x = 50,673.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.