Home / 31,477.31-43,438.66-17,330.15

Finding the Fourth Proportional to 31,477.31, 43,438.66 and 17,330.15

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Solution

The fourth proportional to 31,477.31, 43,438.66 and 17,330.15 is: 23,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,477.31 : 43,438.66 = 17,330.15 : x
  2. Step 2: Convert to fraction form
    31,477.31/43,438.66 = 17,330.15/x
  3. Step 3: Cross multiply
    31,477.31x = 43,438.66 × 17,330.15
  4. Step 4: Simplify right side
    31,477.31x = 752,798,619.80
  5. Step 5: Solve for x
    x = 752,798,619.80/31,477.31
  6. Step 6: Final answer
    x = 23,915.60

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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.