Home / 31,375.85-47,069.60-10,317.07

Finding the Fourth Proportional to 31,375.85, 47,069.60 and 10,317.07

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Solution

The fourth proportional to 31,375.85, 47,069.60 and 10,317.07 is: 15,477.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,375.85 : 47,069.60 = 10,317.07 : x
  2. Step 2: Convert to fraction form
    31,375.85/47,069.60 = 10,317.07/x
  3. Step 3: Cross multiply
    31,375.85x = 47,069.60 × 10,317.07
  4. Step 4: Simplify right side
    31,375.85x = 485,620,358.07
  5. Step 5: Solve for x
    x = 485,620,358.07/31,375.85
  6. Step 6: Final answer
    x = 15,477.52

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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.