Home / 31,317.85-46,981.64-10,539.73

Finding the Fourth Proportional to 31,317.85, 46,981.64 and 10,539.73

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Solution

The fourth proportional to 31,317.85, 46,981.64 and 10,539.73 is: 15,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,317.85 : 46,981.64 = 10,539.73 : x
  2. Step 2: Convert to fraction form
    31,317.85/46,981.64 = 10,539.73/x
  3. Step 3: Cross multiply
    31,317.85x = 46,981.64 × 10,539.73
  4. Step 4: Simplify right side
    31,317.85x = 495,173,800.56
  5. Step 5: Solve for x
    x = 495,173,800.56/31,317.85
  6. Step 6: Final answer
    x = 15,811.23

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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.