Home / 34,909.10-48,173.61-18,993.21

Finding the Fourth Proportional to 34,909.10, 48,173.61 and 18,993.21

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Solution

The fourth proportional to 34,909.10, 48,173.61 and 18,993.21 is: 26,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,909.10 : 48,173.61 = 18,993.21 : x
  2. Step 2: Convert to fraction form
    34,909.10/48,173.61 = 18,993.21/x
  3. Step 3: Cross multiply
    34,909.10x = 48,173.61 × 18,993.21
  4. Step 4: Simplify right side
    34,909.10x = 914,971,562.41
  5. Step 5: Solve for x
    x = 914,971,562.41/34,909.10
  6. Step 6: Final answer
    x = 26,210.11

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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.