Home / 30,748.50-46,122.75-9,972

Finding the Fourth Proportional to 30,748.50, 46,122.75 and 9,972

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Solution

The fourth proportional to 30,748.50, 46,122.75 and 9,972 is: 14,958

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,748.50 : 46,122.75 = 9,972 : x
  2. Step 2: Convert to fraction form
    30,748.50/46,122.75 = 9,972/x
  3. Step 3: Cross multiply
    30,748.50x = 46,122.75 × 9,972
  4. Step 4: Simplify right side
    30,748.50x = 459,936,063
  5. Step 5: Solve for x
    x = 459,936,063/30,748.50
  6. Step 6: Final answer
    x = 14,958

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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.