Home / 31,517.86-47,276.64-9,331.37

Finding the Fourth Proportional to 31,517.86, 47,276.64 and 9,331.37

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Solution

The fourth proportional to 31,517.86, 47,276.64 and 9,331.37 is: 13,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517.86 : 47,276.64 = 9,331.37 : x
  2. Step 2: Convert to fraction form
    31,517.86/47,276.64 = 9,331.37/x
  3. Step 3: Cross multiply
    31,517.86x = 47,276.64 × 9,331.37
  4. Step 4: Simplify right side
    31,517.86x = 441,155,820.20
  5. Step 5: Solve for x
    x = 441,155,820.20/31,517.86
  6. Step 6: Final answer
    x = 13,997.01

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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.