Home / 30,972.75-46,459.13-10,197.87

Finding the Fourth Proportional to 30,972.75, 46,459.13 and 10,197.87

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Solution

The fourth proportional to 30,972.75, 46,459.13 and 10,197.87 is: 15,296.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,972.75 : 46,459.13 = 10,197.87 : x
  2. Step 2: Convert to fraction form
    30,972.75/46,459.13 = 10,197.87/x
  3. Step 3: Cross multiply
    30,972.75x = 46,459.13 × 10,197.87
  4. Step 4: Simplify right side
    30,972.75x = 473,784,117.06
  5. Step 5: Solve for x
    x = 473,784,117.06/30,972.75
  6. Step 6: Final answer
    x = 15,296.81

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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.