Home / 30,773.28-42,469.45-17,345.79

Finding the Fourth Proportional to 30,773.28, 42,469.45 and 17,345.79

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Solution

The fourth proportional to 30,773.28, 42,469.45 and 17,345.79 is: 23,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,773.28 : 42,469.45 = 17,345.79 : x
  2. Step 2: Convert to fraction form
    30,773.28/42,469.45 = 17,345.79/x
  3. Step 3: Cross multiply
    30,773.28x = 42,469.45 × 17,345.79
  4. Step 4: Simplify right side
    30,773.28x = 736,666,161.12
  5. Step 5: Solve for x
    x = 736,666,161.12/30,773.28
  6. Step 6: Final answer
    x = 23,938.50

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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.