Home / 31,639.21-47,453.34-10,577.18

Finding the Fourth Proportional to 31,639.21, 47,453.34 and 10,577.18

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Solution

The fourth proportional to 31,639.21, 47,453.34 and 10,577.18 is: 15,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,639.21 : 47,453.34 = 10,577.18 : x
  2. Step 2: Convert to fraction form
    31,639.21/47,453.34 = 10,577.18/x
  3. Step 3: Cross multiply
    31,639.21x = 47,453.34 × 10,577.18
  4. Step 4: Simplify right side
    31,639.21x = 501,922,677.08
  5. Step 5: Solve for x
    x = 501,922,677.08/31,639.21
  6. Step 6: Final answer
    x = 15,863.95

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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.