Home / 30,433.58-45,587.49-17,915.03

Finding the Fourth Proportional to 30,433.58, 45,587.49 and 17,915.03

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Solution

The fourth proportional to 30,433.58, 45,587.49 and 17,915.03 is: 26,835.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,433.58 : 45,587.49 = 17,915.03 : x
  2. Step 2: Convert to fraction form
    30,433.58/45,587.49 = 17,915.03/x
  3. Step 3: Cross multiply
    30,433.58x = 45,587.49 × 17,915.03
  4. Step 4: Simplify right side
    30,433.58x = 816,701,250.97
  5. Step 5: Solve for x
    x = 816,701,250.97/30,433.58
  6. Step 6: Final answer
    x = 26,835.53

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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.