Home / 30,050.83-41,457.12-18,107.38

Finding the Fourth Proportional to 30,050.83, 41,457.12 and 18,107.38

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Solution

The fourth proportional to 30,050.83, 41,457.12 and 18,107.38 is: 24,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,050.83 : 41,457.12 = 18,107.38 : x
  2. Step 2: Convert to fraction form
    30,050.83/41,457.12 = 18,107.38/x
  3. Step 3: Cross multiply
    30,050.83x = 41,457.12 × 18,107.38
  4. Step 4: Simplify right side
    30,050.83x = 750,679,809.46
  5. Step 5: Solve for x
    x = 750,679,809.46/30,050.83
  6. Step 6: Final answer
    x = 24,980.33

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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.