Home / 30,673.40-46,010.10-20,175.80

Finding the Fourth Proportional to 30,673.40, 46,010.10 and 20,175.80

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Solution

The fourth proportional to 30,673.40, 46,010.10 and 20,175.80 is: 30,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,673.40 : 46,010.10 = 20,175.80 : x
  2. Step 2: Convert to fraction form
    30,673.40/46,010.10 = 20,175.80/x
  3. Step 3: Cross multiply
    30,673.40x = 46,010.10 × 20,175.80
  4. Step 4: Simplify right side
    30,673.40x = 928,290,575.58
  5. Step 5: Solve for x
    x = 928,290,575.58/30,673.40
  6. Step 6: Final answer
    x = 30,263.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.