Home / 30,576.84-42,199.32-17,149.32

Finding the Fourth Proportional to 30,576.84, 42,199.32 and 17,149.32

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Solution

The fourth proportional to 30,576.84, 42,199.32 and 17,149.32 is: 23,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,576.84 : 42,199.32 = 17,149.32 : x
  2. Step 2: Convert to fraction form
    30,576.84/42,199.32 = 17,149.32/x
  3. Step 3: Cross multiply
    30,576.84x = 42,199.32 × 17,149.32
  4. Step 4: Simplify right side
    30,576.84x = 723,689,642.46
  5. Step 5: Solve for x
    x = 723,689,642.46/30,576.84
  6. Step 6: Final answer
    x = 23,667.90

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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.