Home / 31,468.86-47,181.42-11,742.12

Finding the Fourth Proportional to 31,468.86, 47,181.42 and 11,742.12

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Solution

The fourth proportional to 31,468.86, 47,181.42 and 11,742.12 is: 17,605.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,468.86 : 47,181.42 = 11,742.12 : x
  2. Step 2: Convert to fraction form
    31,468.86/47,181.42 = 11,742.12/x
  3. Step 3: Cross multiply
    31,468.86x = 47,181.42 × 11,742.12
  4. Step 4: Simplify right side
    31,468.86x = 554,009,895.41
  5. Step 5: Solve for x
    x = 554,009,895.41/31,468.86
  6. Step 6: Final answer
    x = 17,605.02

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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.