Home / 30,320.79-41,842.72-17,576.43

Finding the Fourth Proportional to 30,320.79, 41,842.72 and 17,576.43

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Solution

The fourth proportional to 30,320.79, 41,842.72 and 17,576.43 is: 24,255.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320.79 : 41,842.72 = 17,576.43 : x
  2. Step 2: Convert to fraction form
    30,320.79/41,842.72 = 17,576.43/x
  3. Step 3: Cross multiply
    30,320.79x = 41,842.72 × 17,576.43
  4. Step 4: Simplify right side
    30,320.79x = 735,445,639.09
  5. Step 5: Solve for x
    x = 735,445,639.09/30,320.79
  6. Step 6: Final answer
    x = 24,255.49

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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.