Home / 31,880.40-43,996.58-18,452.22

Finding the Fourth Proportional to 31,880.40, 43,996.58 and 18,452.22

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Solution

The fourth proportional to 31,880.40, 43,996.58 and 18,452.22 is: 25,465.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,880.40 : 43,996.58 = 18,452.22 : x
  2. Step 2: Convert to fraction form
    31,880.40/43,996.58 = 18,452.22/x
  3. Step 3: Cross multiply
    31,880.40x = 43,996.58 × 18,452.22
  4. Step 4: Simplify right side
    31,880.40x = 811,834,573.41
  5. Step 5: Solve for x
    x = 811,834,573.41/31,880.40
  6. Step 6: Final answer
    x = 25,465.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.