Home / 30,594.65-42,220.49-16,984.73

Finding the Fourth Proportional to 30,594.65, 42,220.49 and 16,984.73

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Solution

The fourth proportional to 30,594.65, 42,220.49 and 16,984.73 is: 23,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,594.65 : 42,220.49 = 16,984.73 : x
  2. Step 2: Convert to fraction form
    30,594.65/42,220.49 = 16,984.73/x
  3. Step 3: Cross multiply
    30,594.65x = 42,220.49 × 16,984.73
  4. Step 4: Simplify right side
    30,594.65x = 717,103,327.09
  5. Step 5: Solve for x
    x = 717,103,327.09/30,594.65
  6. Step 6: Final answer
    x = 23,438.85

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Double scale
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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.