Home / 30,793.07-42,494.41-16,645.92

Finding the Fourth Proportional to 30,793.07, 42,494.41 and 16,645.92

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Solution

The fourth proportional to 30,793.07, 42,494.41 and 16,645.92 is: 22,971.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,793.07 : 42,494.41 = 16,645.92 : x
  2. Step 2: Convert to fraction form
    30,793.07/42,494.41 = 16,645.92/x
  3. Step 3: Cross multiply
    30,793.07x = 42,494.41 × 16,645.92
  4. Step 4: Simplify right side
    30,793.07x = 707,358,549.31
  5. Step 5: Solve for x
    x = 707,358,549.31/30,793.07
  6. Step 6: Final answer
    x = 22,971.36

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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.