Home / 31,811.68-47,716.56-22,412.32

Finding the Fourth Proportional to 31,811.68, 47,716.56 and 22,412.32

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Solution

The fourth proportional to 31,811.68, 47,716.56 and 22,412.32 is: 33,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,811.68 : 47,716.56 = 22,412.32 : x
  2. Step 2: Convert to fraction form
    31,811.68/47,716.56 = 22,412.32/x
  3. Step 3: Cross multiply
    31,811.68x = 47,716.56 × 22,412.32
  4. Step 4: Simplify right side
    31,811.68x = 1,069,438,812.02
  5. Step 5: Solve for x
    x = 1,069,438,812.02/31,811.68
  6. Step 6: Final answer
    x = 33,617.80

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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.