Home / 30,757.10-42,448.84-17,330.96

Finding the Fourth Proportional to 30,757.10, 42,448.84 and 17,330.96

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Solution

The fourth proportional to 30,757.10, 42,448.84 and 17,330.96 is: 23,919.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,757.10 : 42,448.84 = 17,330.96 : x
  2. Step 2: Convert to fraction form
    30,757.10/42,448.84 = 17,330.96/x
  3. Step 3: Cross multiply
    30,757.10x = 42,448.84 × 17,330.96
  4. Step 4: Simplify right side
    30,757.10x = 735,679,148.09
  5. Step 5: Solve for x
    x = 735,679,148.09/30,757.10
  6. Step 6: Final answer
    x = 23,919.00

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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.