Home / 31,343.55-46,982.31-10,278.12

Finding the Fourth Proportional to 31,343.55, 46,982.31 and 10,278.12

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Solution

The fourth proportional to 31,343.55, 46,982.31 and 10,278.12 is: 15,406.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,343.55 : 46,982.31 = 10,278.12 : x
  2. Step 2: Convert to fraction form
    31,343.55/46,982.31 = 10,278.12/x
  3. Step 3: Cross multiply
    31,343.55x = 46,982.31 × 10,278.12
  4. Step 4: Simplify right side
    31,343.55x = 482,889,820.06
  5. Step 5: Solve for x
    x = 482,889,820.06/31,343.55
  6. Step 6: Final answer
    x = 15,406.35

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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.