Home / 31,281.15-46,911.90-10,216.39

Finding the Fourth Proportional to 31,281.15, 46,911.90 and 10,216.39

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Solution

The fourth proportional to 31,281.15, 46,911.90 and 10,216.39 is: 15,321.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.15 : 46,911.90 = 10,216.39 : x
  2. Step 2: Convert to fraction form
    31,281.15/46,911.90 = 10,216.39/x
  3. Step 3: Cross multiply
    31,281.15x = 46,911.90 × 10,216.39
  4. Step 4: Simplify right side
    31,281.15x = 479,270,246.30
  5. Step 5: Solve for x
    x = 479,270,246.30/31,281.15
  6. Step 6: Final answer
    x = 15,321.38

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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.