Home / 30,797.28-42,499.38-17,368.44

Finding the Fourth Proportional to 30,797.28, 42,499.38 and 17,368.44

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Solution

The fourth proportional to 30,797.28, 42,499.38 and 17,368.44 is: 23,967.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,797.28 : 42,499.38 = 17,368.44 : x
  2. Step 2: Convert to fraction form
    30,797.28/42,499.38 = 17,368.44/x
  3. Step 3: Cross multiply
    30,797.28x = 42,499.38 × 17,368.44
  4. Step 4: Simplify right side
    30,797.28x = 738,147,931.57
  5. Step 5: Solve for x
    x = 738,147,931.57/30,797.28
  6. Step 6: Final answer
    x = 23,967.96

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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.